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Cleionychia ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4594808	https://www.gbif.org/species/4594808
PaleoBioDB ID (PBDB)	16559	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=16559

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Mollusca : Bivalvia : Myalinida : Ambonychiidae : Cleionychia

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca	Linnaeus 1758
class	Bivalvia	Linnaeus 1758
-	Eubivalvia	Carter 2011
subclass	Autobranchia
infraclass	Pteriomorphia
-	Ostreomorphi	Ferussac 1822
-	Ostreioni	Ferussac 1822
-	Myalinata	Paul 1939
order	Myalinida	Paul 1939
superfamily	Ambonychioidea
family	Ambonychiidae	Miller 1877
genus	Cleionychia	Ulrich 1892

Scientific Name

Cleionychia Ulrich, 1892

Name Published In

Amer. Geol., 10 (2)

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Cleionychia	genus	belongs to Ambonychiidae	stated without evidence	Ulrich, 1894
Cleionychia	genus	belongs to Ambonychidae	stated with evidence	Raymond, 1916
Cleionychia	genus	belongs to Ambonychiidae	stated with evidence	Soot-Ryen and Soot-Ryen, 1960
Cleionychia	genus	belongs to Ambonychiidae	stated without evidence	Pojeta, 1966
Cleionychia	genus	misspelling of Cleionychia	stated without evidence	Pojeta, 1966
Cleionychia	genus	belongs to Ambonychiidae	stated with evidence	Toni, 1975
Cleionychia	genus	belongs to Pterioida	second hand	Sepkoski, 2002

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

479 - 472 Ma
Early/Lower Ordovician

Last Recorded Appearance

433 - 427 Ma
Silurian

Motility

stationary, attached (based on Ambonychiidae)

Vision

blind (based on Bivalvia)

Diet

suspension feeder (based on Ambonychiidae)

Ecospace Comments

BODY SIZE: Data from Cox et al. (1969).

Taphonomy

intermediate

Primary Reference (PBDB)

E. O. Ulrich. 1892. New Lammelibranchiata, No. 4. Descriptions of one new genus and eight new species. American Geologist 10(2):96-104

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Ambonychia attenuata ✝ species	accepted (GBIF) listed (PBDB)
Ambonychia corrugata species	accepted (GBIF)	No associated record in PBDB
Ambonychia lamellosa ✝ species	accepted (GBIF) listed (PBDB)
Ambonychia mytiloides ✝ species	accepted (GBIF) listed (PBDB)
Ambonychia pulchella species	accepted (GBIF)	No associated record in PBDB
Ambonychia superba ✝ species	accepted (GBIF) listed (PBDB)
Ambonychinia primitiva species	accepted (GBIF)	No associated record in PBDB
Anoptera miseneri ✝ species	accepted (GBIF) listed (PBDB)
Cleionychia corrugata ✝ species	listed (PBDB)		1	450 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Cleionychia curta ✝ species	accepted (GBIF) listed (PBDB)
Cleionychia excavata ✝ species	accepted (GBIF) listed (PBDB)
Cleionychia primitiva ✝ species	listed (PBDB)		6	461 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Cleionychia pulchella ✝ species	listed (PBDB)		3	453 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Cleionychia rhomboidea ✝ species	accepted (GBIF) listed (PBDB)		1	456 Ma Late/Upper Ordovician	456 Ma Late/Upper Ordovician
Cleionychia subundata ✝ species	accepted (GBIF) listed (PBDB)
Clionychia angusta ✝ species	accepted (GBIF) listed (PBDB)		1	450 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Clionychia crebra ✝ species	accepted (GBIF) listed (PBDB)
Clionychia crispa ✝ species	accepted (GBIF) listed (PBDB)
Clionychia curta ✝ species	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Clionychia gibbosa ✝ species	accepted (GBIF) listed (PBDB)
Clionychia marginalis ✝ species	accepted (GBIF) listed (PBDB)		6	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Clionychia ottawaensis ✝ species	accepted (GBIF) listed (PBDB)
Clionychia oviformis ✝ species	accepted (GBIF) listed (PBDB)		1	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Clionychia triangularis ✝ species	accepted (GBIF) listed (PBDB)
Pterinea undata ✝ species	accepted (GBIF) listed (PBDB)		9	461 Ma Middle Ordovician	433 Ma Silurian
Vanuxemia montrealensis ✝ species	accepted (GBIF) listed (PBDB)		16	468 Ma Middle Ordovician	466 Ma Middle Ordovician

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Clionychia Miller, 1892	GBIF	genus	Animalia : Mollusca : Bivalvia : Myalinida : Ambonychiidae : *Clionychia*

Synonymy List

Year	Name and Author
1892	Cleionychia Ulrich p. 97
1893	Anoptera Ulrich p. 649
1894	Clionychia Ulrich p. 489
1916	Clionychia Raymond
1960	Clionychia Soot-Ryen and Soot-Ryen p. 105
1966	Cleionychia Pojeta fig. 176
1966	Anoptera Pojeta p. 171
1975	Cleionychia Toni
1980	Cleionychia Vokes p. 30
2002	Cleionychia Sepkoski, Jr.

References

Ulrich E. O. New Lammelibranchiata, No. 4. Descriptions of one new genus and eight new species, American Geologist 10 2, 96-104

Raymond P. E. (1916) The Pelecypoda of the Chazy Formation, Annals of the Carnegie Museum 328, 325-343

Soot-Ryen H., Soot-Ryen T. (1960) The Middle Ordovician of the Oslo region, Norway: 11, Pelecypoda, Norsk Geologisk Tidsskrift 40 2, 81-122

Pojeta J. (1966) North American Ambonychiidae (Pelecypoda), Palaeontographica Americana 5 36, 1-241

Toni R. T. (1975) Upper Ordovician bivalves from the Oslo Region, Norway, Norsk Geologisk Tidsskrift 55 2, 135-156

Vokes H. E. (1980) Genera of the Bivalvia: a systematic and bibliographic Catalogue, Genera of the Bivalvia: a systematic and bibliographic Catalogue

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

Amer. Geol., 10 (2) - via The Interim Register of Marine and Nonmarine Genera

GBIF/Paleo Database - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

Sepkoski, J. J., Jr. (2002). A compendium of fossil marine animal genera. Bulletins of American Paleontology. 363, 1-560. - via The Interim Register of Marine and Nonmarine Genera

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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