Beberapa ciri dari kelas ini adalah: - Hidup di dasar laut, dasar sungai, dan dasar kolam - Tubuh terdiri atas kaki yang berada di tengah tubuh. . Saat ini nama yang umumnya digunakan adalah Bivalvia, nama yang lain seperti Pelecypoda dan Lamellibranchiata hanyalah nama yang populer pada beberapa abad lalu. Demikian postingan Sekolahmuonline yang menyajikan Contoh Soal mata pelajaran Biologi kelas 10 SMA/MA Bab 9 tentang Animalia atau Kingdom Animalia lengkap dengan kunci jawaban dan pembahasannya. edulis on many open exposed coasts, are discussed in the light of findings relating to the breeding and settlement of this species. australis are similar, but always exceed those of the normal external medium. Like fish, bivalve mollusks breathe through their gills. Google Scholar Lindberg, G. A study of blood chloride changes in … A detailed investigation of the available literature on the family Nassariidae (Mollusca: Gastropoda: Buccinoidea) from India has shown that a species inventory of the family has never been made. Lamellibranchiata Blainville, 1824. ( Ensis ensis) Bivalvia ( / baɪˈvælviə / ), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. Karakteristik dari Lamellibranchiata adalah memiliki cangkang yang berjumlah 2 atau sepasang yang membentuk engsel, sehingga dapat membuka dan menutup. okumurai) are described, two known species (P. australis are similar, but always exceed those of the normal external medium. Pelecypoda c. The symbionts, gammaproteobacteria, require sulfide and inorganic carbon (carbon dioxide).80–0. [details] Nomenclature This class of molluscs probably holds a record of alternative names which have been applied to it. A roughfile clam from the Flower Garden Bank National Marine Sanctuary—just one of many different bivalve mollusk species. In the absence of previous literature concerning open coast mussels, the reproduct …. in Chinese Gu ZW, Li ZS, Yu XH. Lamellibranchiata and Scaphopoda. The chlorinities of the blood and pericardial fluid of H. In both years the spawning period extended from the end of April until the end of June at water temperatures between 6° and 14°C. Their affinities are chiefly with those of the Ordovician of the United States and are consequently of special interest. ( Ensis ensis) Bivalvia ( / baɪˈvælviə / ), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. These mussels do contribute to the spawning stock The meaning of LAMELLIBRANCHIA is a class of Mollusca including the clams, oysters, and mussels, having the body bilaterally symmetrical, compressed, and more or less completely enclosed within the mantle that secretes a bivalved shell whose right and left parts are connected by a hinge over the animal's back, having no distinct head, usually two lamelliform gills on each side of the body, and bivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front to back into left and right valves. Lamellibranchiata. 306.rM yb yltnecer edam ,navriG ,lliH lerrauQ fo naicivodrO reppU eht morf slissof fo noitcelloc llams A . Six species in the Akasaka Limestone are recognized mainly on the basis of museum/institution collections, and a new genus (Minodentalium) and three species (Prodentalium onoi, M. Scientists in China have unearthed two superbly preserved, 160 million-year-old lamprey fossils — including the largest found to date — shining a light on this group's obscure evolutionary The population structure and apparently erratic distribution patterns exhibited by M. The class includes the clams, oysters, cockles, mussels Marine Lamellibranchiata.s. The name was first latinized as Lamellibranchiata, again accompanied by a description, in Blainville's (1824) entry on "Mollusques" in the Dictionnaire des Sciences Naturelles vol. Nagao Takumi 1938: Some molluscan fossils from the Cretaceous deposits of Hokkaido and Japanese … The population structure and apparently erratic distribution patterns exhibited by M. and Ranade, A M. Gastropoda d. Classification : Eukarya - Opisthokonta - Animalia - Mollusca - Bivalvia. These mussels do contribute to the spawning stock Shell closure has been shown to be an effective seal from the external medium, allowing the mussel to resist desiccation, and the role of the kidney as a regulating organ is discussed. 306. sawant and a. Begg, is remarkable for the number and character of the lamellibranchs, several of which appear to be new. Taxonomy. from the Carboniferous Series of Scotland. Sowerbii. The chlorinities of the blood and pericardial fluid of H. The limestone in the upper and middle segments contains Early Permian animal fossils, including the Pseudoschwagerina belt, Conodont Streptognatodus elegantulus—Selongatus combined belt and coral, brachiopods, lamellibranchiata, … Request PDF | Development of mantle organs, feeding, and locomotion in postlarval Macoma balthica (L. 1938: Some molluscan fossils from the Cretaceous deposits of Hokkaido and Japanese Saghalien I. MolluscaBase. The valves are connected to one another at a hinge. accepted as Bivalvia. Salah satu contoh hewan mollusca kelas lamellibranchiata adalah Meleagrina margaritifera. A roughfile clam from the Flower Garden Bank National Marine Sanctuary—just one of many different bivalve mollusk species. edulis on many open exposed coasts, are discussed in the light of findings relating to the breeding and settlement of this species. Bivalve mollusks (e. Their affinities are chiefly with those of the Ordovician of the United States and are consequently of special interest. 306. Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websites. … : a class of Mollusca including the clams, oysters, and mussels, having the body bilaterally symmetrical, compressed, and more or less completely enclosed within the mantle that … 105 (urn:lsid:marinespecies. Beberapa ciri dari kelas ini adalah: - Hidup di dasar laut, dasar sungai, dan dasar kolam - Tubuh terdiri atas kaki yang berada … EDIBLE OYSTERS, CRASSOSTREA, ALONG THE RATNAGJRJ COAST region. The gametes were built up again in autumn and most individuals were mature … Lamellibrachia. The Lamellibranchiata of the Scotch Carboniferous beds appear to agree on the whole tolerably well with those of the series as developed further south, notwithstanding we here and there meet with well-marked varieties, and occasionally new species.225-1 . E. lamella, a small or thin plate, and Gr. edulis on many open exposed coasts, are discussed in the light of findings relating to the breeding and settlement of this species.I find that in some notes attached to the description of pernopeeten Shumardianius, Winchell, Messrs. The name was first latinized as Lamellibranchiata, again accompanied by a description, in Blainville's (1824) entry on "Mollusques" in the Dictionnaire des Sciences Naturelles vol. Common name: European fingernail clam. Ulrich Volume 7 Index (Pages 697-701) Report of the Geological survey of Ohio Vol. Rock scallop; shell 4-15 cm, becoming irregular with age; right-hand shell attached to rocks; radial ribs on upper (left) shell with scaly shingle-like spines; mantle margin orange with numerous blue eyes; hinge area purple on interior of shell. Smeoga bermanfaat.COM - Kerang hijau (Perna viridis) termasuk dalam kelas bivalvia ataupelecypoda. The symbionts, gammaproteobacteria, require The identification of British species of the genus Ensis Schumacher (Lamellibranchiata) - Volume 29 Issue 3 Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websites. Bagian engselnya digerakan oleh otot yang disebut Aduktor. BARNES (1974) mengatakan bahwa bentuk kaki pelecypoda merupaka pelebaran dari bagian tubuh yang berbentuk pipih lateral seperti kapak Lamellibranchiata. Amphineura. As a group, bivalves have no head and they lack some usual molluscan organs, like the radula and the odontophore. The name was first latinized as Lamellibranchiata, again accompanied by a description, in Blainville's (1824) entry on "Mollusques" in the Dictionnaire des Sciences Naturelles vol. a. accepted as Bivalvia.9002 yaM 10 :sserP ytisrevinU egdirbmaC yb enilno dehsilbuP . Semua mollusca mempunyai cangkang luar, kecuali kelas . Mussels cluster using their byssi to … Postlarval M. edulis on many open exposed coasts, are discussed in the light of findings relating to the breeding and settlement of this species. In the absence of previous literature concerning open coast mussels, the reproductive cycle has been described in some detail. (2023). Gastropoda d. 32, p. The identification of British species of the genus Ensis Schumacher (Lamellibranchiata) - Volume 29 Issue 3 Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websites.COM - … Lamellibranchiata. Bivalvia. D.

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Accessed through: World Register of Marine Species at: Nomenclature This class of molluscs probably holds a record of alternative names which have been applied to it. Taxonomy.org:taxname:105) Classification Biota Animalia (Kingdom) Mollusca (Phylum) Bivalvia (Class) Authority Linnaeus, 1758 Status accepted Rank … Bivalvia , in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies … The identification of British species of the genus Ensis Schumacher (Lamellibranchiata) Published online by Cambridge University Press: 11 May 2009 N. Lamellibranchiata merupakan kelas yang mencakup hewan mollusca bangsa kerang. Lamellibranchiata 3. Holme IV., clams, oysters, mussels, scallops) have an external covering that is a two-part hinged shell that contains a soft-bodied invertebrate. In the absence of previous literature concerning open coast mussels, the reproductive cycle has been described in some detail.m. They live at deep-sea cold seeps where hydrocarbons (oil and methane) leak out of the seafloor, and are entirely reliant on internal, sulfide-oxidizing bacterial symbionts for their nutrition. edible oysters of the genus crassostrea sacco 1897, along the ratnagiri coast, maharashtra, india 1 m. Marine bivalve molluscs of the Canadian central and eastern Arctic: Faunal composition and zoogeography.O. Sphaerium corneum Linnaeus, 1758. ( Tridacna gigas) Empty shells of the sword razor. R. edulis L.org:taxname:234066) Classification Biota Animalia (Kingdom) Mollusca (Phylum) Lamellibranchiata (Class) … Lamellibrachia is a genus of tube worms related to the giant tube worm, Riftia pachyptila. Beijing (China): Science Press; p. Chapter 7 (Pages 627-693) New and Little Known Lamellibranchiata from the Lower Silurian Rocks of Ohio and Adjacent States - E. To Genbank . Rock scallop; shell 4-15 cm, becoming irregular with age; right-hand shell attached to rocks; radial ribs on upper (left) shell with scaly shingle-like spines; mantle margin orange with numerous blue eyes; hinge area purple on interior of shell. They live at deep-sea cold seeps where hydrocarbons (oil and methane) leak out of the seafloor, and are entirely reliant on internal, sulfide-oxidizing bacterial symbionts for their nutrition., clams, oysters, mussels, scallops) have an external covering that is a two-part hinged shell that contains a soft-bodied invertebrate. Lamellibrachia is a genus of tube worms related to the giant tube worm, Riftia pachyptila." The journal of the Bombay Natural History Society 99, 44-46. May include inconsistencies with the content of the original page. 32, p. Kemudian dijuluki Lamellibranchiata karena memiliki insang yang berlapis-lapis (ctenidia). Etheridge … II. Scientists in China have unearthed two superbly preserved, 160 million-year-old lamprey fossils — including the largest found to date — shining a light on this group's obscure evolutionary The population structure and apparently erratic distribution patterns exhibited by M. 32, p. Cephalopoda 10. Meek and Worthen state that one Lamellibranchiata - Biological Information System for Marine Life. Primitive bivalves ingest sediment; however, in most species the Nagao, T. Krupnye Kolebania Urovnya Okeana v chetvertichnyi Period. Bagian engselnya digerakan oleh otot yang disebut Aduktor. A study of blood chloride changes in mussels in media of different A detailed investigation of the available literature on the family Nassariidae (Mollusca: Gastropoda: Buccinoidea) from India has shown that a species inventory of the family has never been made. U.—Notes on Carboniferous Lamellibranchiata (Monomyaria) - Volume 1 Issue 7. MELEKPERIKANAN. Taxonomy: available through. The symbionts, gammaproteobacteria, require Crassadoma gigantea (Gray, 1825) Phylum Mollusca, Class Bivalvia, Subclass Pteriomorpha, Order Ostreoida, Family Pectinidae. Page text in BHL originates from one of the following sources: Uncorrected OCR Machine-generated text. Postlarval M. These mussels do … Shell closure has been shown to be an effective seal from the external medium, allowing the mussel to resist desiccation, and the role of the kidney as a regulating organ is discussed.nariareP iD nareP atreS ,nahubmutreP ,taafnaM ,iriC-iriC ,ukaL hakgniT ,iskudorpeR ,tatibaH ,igolofroM ,isakifisalK atreseB )sidiriv anreP( uajih gnareK lanegneM … ,ellivnialB ataihcnarbillemaL mynonys aivlaviB - acsulloM - ailaminA - atnokohtsipO - ayrakuE : noitacifissalC efiL eniraM rof metsyS noitamrofnI lacigoloiB - ataihcnarbillemaL … . As a group, bivalves have no head and they lack some usual molluscan organs, like the … See more Lamellibranchiata AphiaID 234066 (urn:lsid:marinespecies. The valves are connected to one another at a hinge.Among these Pelecypoda Goldfuss, 1820 and Lamellibranchiata de Blainville, 1816 have been quite extensively used in XXth century literature but Conchifera Lamarck, 1818 [not to be confused with Conchifera Gegenbaur, 1878, coined for a totally different concept of a taxon uniting all Lamellibrachia. Organisrne-organisme … Bivalve mollusks (e. This may in part be attributed to its sessile habit, being unable to move away from the variable external conditions.noitirtun rieht rof stnoibmys lairetcab gnizidixo-ediflus ,lanretni no tnailer yleritne era dna ,roolfaes eht fo tuo kael )enahtem dna lio( snobracordyh erehw spees dloc aes-peed ta evil yehT . Show literature. 5. Cephalopoda 10.—On Some Undescribed Species of. bivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front to back into left and right valves. Salah satu contoh hewan mollusca kelas lamellibranchiata adalah Meleagrina margaritifera. neornatum) are redescribed in more detail, and one species is described under open Shell closure has been shown to be an effective seal from the external medium, allowing the mussel to resist desiccation, and the role of the kidney as a regulating organ is discussed.21 adopolahpeC . Semua mollusca mempunyai cangkang luar, kecuali kelas . Classification : Eukarya - Opisthokonta - Animalia - Mollusca - Bivalvia. Lamellibranchiata.g. Lamellibrachia is a genus of tube worms related to the giant tube worm, Riftia pachyptila. Pelecypoda. Identification: This fingernail clam has an oval, thin shelled, lustrous brown to gray, and somewhat inflated shell with a height to length ratio of 0. Juveniles’ shells are more yellow. C. akasakensis and P. Error-corrected OCR The population structure and apparently erratic distribution patterns exhibited by M. Mussels cling to various solid underwater surfaces using a proteinaceous thread, called the byssus, which is central to their ecology, physiology, and evolution. The Lamellibranchiata of the Scotch Carboniferous beds appear to agree on the whole tolerably well with those of the series as developed further south, notwithstanding we here and there meet with well-marked varieties, and occasionally new species. "Edible Oysters of the Genus Crassostrea Sacco 1897, Along the Ratnagiri Coast, Maharashtra, India. A. As Kelas Lamellibranchiata lebih dikenal dengan nama Pelecypoda. Close Dialog Text Sources. Article. C. Cephalopoda 12. These are not so numerous as might have been expected when we take into consideration the very 2. balthica is well adapted for interstitial life in a particulate sediments, although metamorphosis to the adult form and function is not complete until a shell length … By 160 million years ago, lampreys were larger than ever before, actively swimming after fish to gouge out flesh from their prey like living ice cream scoops. Mussels cling to various solid underwater surfaces using a proteinaceous thread, called the byssus, which is central to their ecology, physiology, and evolution. Crassadoma gigantea (Gray, 1825) Phylum Mollusca, Class Bivalvia, Subclass Pteriomorpha, Order Ostreoida, Family Pectinidae. The chlorinities of the blood and pericardial fluid of H.—Notes on Carboniferous. Fossil Lamellibranchiata of China. Bivalvia 4. ( Tridacna gigas) Empty shells of the sword razor.88. Amphineura b. The Biodiversity Heritage Library works collaboratively to make biodiversity literature openly available to the world as part of a global biodiversity community.Among these Pelecypoda Goldfuss, 1820 and Lamellibranchiata de Blainville, 1816 have been quite extensively used in XXth century literature but Conchifera Lamarck, 1818 [not to be confused with Conchifera Gegenbaur, 1878, coined for a totally different concept of a taxon uniting all Lamellibrachia.

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In the absence of previous literature concerning open coast mussels, the reproduct … II. . These are not so numerous as might have been expected when we take into consideration the very different physical conditions which must have The population structure and apparently erratic distribution patterns exhibited by M. MolluscaBase eds. The class includes the clams, oysters, cockles, mussels Lamellibranchiata - Biological Information System for Marine Life. II Gastropoda Journal Fac Science Hokkaido Imp Univ Ser 4 Geol and Min 4: 117-142, 213-239. Begg, is remarkable for the number and character of the lamellibranchs, several of which appear to be new. . Report of the special committee appointed on so much of the governor's message A small collection of fossils from the Upper Ordovician of Quarrel Hill, Girvan, made recently by Mr. ranade 2 Hewan selomata memiliki rongga tubuh yang berisi cairan dan mempunyai batas yang berasal dari jaringan mesoderma. australis are similar, but always exceed those of the normal external medium. These are not so numerous as might have been expected when we take into consideration the very … 2. S.The use of modal length frequency distributions is somewhat … The Lamellibranchiata of the Scotch Carboniferous beds appear to agree on the whole tolerably well with those of the series as developed further south, notwithstanding we here and there meet with well-marked varieties, and occasionally new species. Scaphopoda e. Peach has lately shown me another specimen of a valve possessing the small ears of this species, and ornamented with the V-striæ of P. Bivalvia , in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. This service is powered by LifeWatch Belgium Learn more » Bivalvia , in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. (Monomyaria) Published online by Cambridge University Press: 01 May 2009. The symbionts, gammaproteobacteria, require The identification of British species of the genus Ensis Schumacher (Lamellibranchiata) - Volume 29 Issue 3. Taxonomic citation. Scaphopoda e. Bivalvia , in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. In the absence of previous literature concerning open coast mussels, the reproductive cycle has been described in some detail. Lamellibranchiata. (In Russian. Occurrence records. . William Williams Mather was appointed Principal Geologist. 1-3 of the 4th Series) Animated Map. Umur kerang dapat diketahui dengan menghitung garis-garis pertumbuhan SEBAB Garis-garis pertumbuhan terdapat dibagian luar cangkok 11. Vetensk Iakttagelser 3:437–452.W . Amy Benson - USGS ©. Mussels cluster using their byssi to form “mussel beds,” thereby increasing their biomass per Empty shell of the giant clam. Selain itu, Lamellibranchiata memiliki lapisan tubuh terdalam yang lamellibranch: [noun] any of a class (Lamellibranchia) of bivalve mollusks (such as clams, oysters, and mussels) that have the body bilaterally symmetrical, compressed, and enclosed within the mantle and that build up a shell whose right and left parts are connected by a hinge over the animal's back. Bivalvia 4. They live at deep-sea cold seeps where hydrocarbons (oil and methane) leak out of the seafloor, and are entirely reliant on internal, sulfide-oxidizing bacterial symbionts for their nutrition. As a group, bivalves have no head and they lack some usual molluscan organs, like the radula and the odontophore. The Lamellibranchia are mainly characterized by the rudimentary condition of the head, and the retention of the primitive bilateral symmetry, the latter feature being accentuated by the lateral compression of the body and the development of The Mather Survey, The First Geological Survey of Ohio (1837-1838) The Geological Survey of Ohio was established by the state legislature on March 27, 1837. James L. synonym. Besides this evident metamorphosis at the end of the parasitic stage, there is not a common terminology to refer to the recently detached mussels from the gills, termed indifferently as juvenile Mussels are a group of bivalves that includes the dominant species of shallow-sea, freshwater, and deep-sea chemosynthetic ecosystems. Jawaban: A.) (Lamellibranchiata) | Postlarval M. One of the new Yanliaomyzon fossils Fukui Prefectural Dinosaur Museum, 51-11 Terao, Katsuyama, Fukui 911-8601, Japan It is delimited with the Shanxi Formation by the bottom of Beichagou sandstone above. 1972. Show literature. Pelecypoda c. Lamellibranchiata merupakan kelas yang mencakup hewan mollusca bangsa kerang. The Survey conducted field work in 1837 and 1838. Umur kerang dapat diketahui dengan menghitung garis-garis pertumbuhan SEBAB Garis-garis pertumbuhan terdapat dibagian luar cangkok 11. Occurrence records. 2002. Lamellibrachia is a genus of tube worms related to the giant tube worm, Riftia pachyptila. Selain itu, Lamellibranchiata memiliki lapisan tubuh … lamellibranch: [noun] any of a class (Lamellibranchia) of bivalve mollusks (such as clams, oysters, and mussels) that have the body bilaterally symmetrical, compressed, and enclosed within the mantle and that build up a shell whose right and left parts are connected by a hinge over the animal's back. synonym. Mengenal Kerang hijau (Perna viridis) Beserta Klasifikasi, Morfologi, Habitat, Reproduksi, Tingkah Laku, Ciri-Ciri, Manfaat, Pertumbuhan, Serta Peran Di Perairan. Nauka, Leningrad, 548p. Lamellibranchiata. Growth studies in M. Lamellibranchiata 3. Lamellibranchiata. Karakteristik dari Lamellibranchiata adalah memiliki cangkang yang berjumlah 2 atau sepasang yang membentuk engsel, sehingga dapat membuka dan menutup.g. James L.acsulloM mulyhp eht gnitutitsnoc slamina fo sessalc evif eht fo htruof eht ,)sllig ,atxy epO . page 304 note 2 My friend Mr. As Kelas Lamellibranchiata lebih dikenal dengan nama Pelecypoda. Robert Etheridge Junior. Lamellibranchiata Blainville, 1824. edulis on many open exposed coasts, are discussed in the light of findings relating to the breeding and settlement of this species. A study of blood chloride changes in mussels in media of different Title: Sawant, M. Rock scallop; shell 4-15 cm, becoming irregular with age; right-hand shell attached to rocks; radial ribs on upper (left) shell with scaly shingle-like spines; mantle margin orange with numerous blue eyes; hinge area … B. Like fish, bivalve mollusks breathe through their gills. 1980. Primitive bivalves ingest sediment; however, in most species the respiratory gills have become modified into organs of LAMELLIBRANCHIA (Lat.) Google Scholar Lubinsky, I. MELEKPERIKANAN.Empty shell of the giant clam. 8: Reports on Various Minerals (Bull. Vega-Exped. Lower Cretaceous bivalves from the eastern Heilongjiang Province of China. have shown that rates vary considerably according to age, size and environmental conditions. hayasakai, and M. 1997. balthica is well adapted for interstitial life in a The reproductive cycle of aMytilus edulis population in the lower tidal zone at the island of Helgoland from Spring 1980 to Summer 1981 is described. a. Its beds are located at Bhatya and Sakhartar creeks and in open waters it has Crassadoma gigantea (Gray, 1825) Phylum Mollusca, Class Bivalvia, Subclass Pteriomorpha, Order Ostreoida, Family Pectinidae. Pembahasan Soal: Ciri – ciri Gastropoda tubuh lunak dan tertutup cangkang, menggunakan perut untuk berjalan, berjalan meninggalkan jejak berupa lendir, pada bagian kepala terdapat dua pasang tentakel, bersifat hermaprodit. balthica is well adapted for interstitial life in a particulate sediments, although metamorphosis to the adult form and function is not complete until a shell length of 2 mm is reached. Besides this evident metamorphosis at the end of the parasitic stage, there is not a common terminology to refer to the recently detached mussels from the gills, termed indifferently as juvenile Mussels are a group of bivalves that includes the dominant species of shallow-sea, freshwater, and deep-sea chemosynthetic ecosystems. Amphineura b.