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Pseudozygopleuridae ✝

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Description

Pseudozygopleuridae is an extinct family of fossil sea snails, marine gastropod mollusks in the clade Caenogastropoda.

From Wikipedia article at https://en.wikipedia.org/wiki/Pseudozygopleuridae, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4597355	https://www.gbif.org/species/4597355
PaleoBioDB ID (PBDB)	95988	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=95988

Rank

family

Taxonomy (GBIF,PBDB)

Life : Animalia : Mollusca : Gastropoda : Pseudozygopleuridae

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	Gastropoda	Cuvier 1797
subclass	Prosobranchia	Milne-Edwards 1848
superorder	Caenogastropoda	Cox 1959
superfamily	Zygopleuroidea	Wenz 1938
family	Pseudozygopleuridae	Knight 1930

Scientific Name

Pseudozygopleuridae

Name Published In

Knight, J. B. (1930). The gastropods of the Saint Louis, Missouri, Pennsylvanian outlier: the Pseudozygopleurinae. Journal of Paleontology. 4 (Suppl. 1): 78 pp., 5 pls.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Pseudozygopleuridae	subfamily	belongs to Loxonematidae	stated with evidence	Knight, 1930
Pseudozygopleuridae	family	belongs to Loxonematacea	stated with evidence	Knight et al., 1960
Pseudozygopleuridae	family	belongs to Loxonematoidea	stated without evidence	Golikov and Starobogatov, 1975
Pseudozygopleuridae	family	belongs to Loxonematoidea	stated with evidence	Ponder and Warén, 1988
Pseudozygopleuridae	family	belongs to Zygopleuroidea	stated with evidence	Nützel, 1998
Pseudozygopleuridae	family	belongs to Caenogastropoda	stated without evidence	Bouchet et al., 2005
Pseudozygopleuridae	family	belongs to Zygopleuroidea	stated with evidence	Nützel and Ketwetsuriya, 2016

Status (PBDB)

extinct

Taxon Size (PBDB)

191

First Recorded Appearance

408 - 393 Ma
Early/Lower Devonian

Last Recorded Appearance

168 - 165 Ma
Middle Jurassic

Motility

actively mobile (based on Gastropoda)

Vision

limited (based on Gastropoda)

Taphonomy

aragonite (based on Gastropoda)

Primary Reference (PBDB)

J. B. Knight. 1930. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: the Pseudozygopleurinae. Journal of Paleontology Memoir 4(4):1-88

Wikipedia

https://en.wikipedia.org/wiki/Pseudozygopleuridae

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Cyclozyga ✝ genus	accepted (GBIF) listed (PBDB)	15	380 Ma Late/Upper Devonian	306 Ma Carboniferous
Eoptychia ✝ genus	accepted (GBIF) listed (PBDB)	7	372 Ma Late/Upper Devonian	314 Ma Carboniferous
Gamizyga ✝ genus	accepted (GBIF) listed (PBDB)	11	318 Ma Carboniferous	314 Ma Carboniferous
Helminthozyga ✝ genus	accepted (GBIF) listed (PBDB)	3	315 Ma Carboniferous	306 Ma Carboniferous
Hemizyga ✝ genus	accepted (GBIF) listed (PBDB)	27	336 Ma Carboniferous	279 Ma Permian
Hyphantozyga ✝ genus	accepted (GBIF) listed (PBDB)	28	408 Ma Early/Lower Devonian	254 Ma Permian
Levizygopleura ✝ genus	accepted (GBIF) listed (PBDB)	27	347 Ma Carboniferous	254 Ma Permian
Microptychis ✝ genus	accepted (GBIF) listed (PBDB)	22	345 Ma Carboniferous	279 Ma Permian
Palaeostylus ✝ genus	accepted (GBIF) listed (PBDB)	103	388 Ma Middle Devonian	254 Ma Permian
Plocezyga ✝ genus	accepted (GBIF) listed (PBDB)	86	318 Ma Carboniferous	168 Ma Middle Jurassic
Pseudoplocezyga ✝ genus	accepted (GBIF) listed (PBDB)
Pseudozygopleura ✝ genus	accepted (GBIF) listed (PBDB)	313	372 Ma Late/Upper Devonian	254 Ma Permian
Stephanozyga ✝ genus	accepted (GBIF) listed (PBDB)	36	347 Ma Carboniferous	272 Ma Permian

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Cyclozygidae	GBIF	family	Animalia : Mollusca : Gastropoda : Cyclozygidae
Eoptychiidae	GBIF	family	Animalia : Mollusca : Gastropoda : Eoptychiidae
Stephanozygidae	GBIF	family	Animalia : Mollusca : Gastropoda : Stephanozygidae

Synonymy List

Year	Name and Author
1930	Pseudozygopleurinae Knight p. 11
1960	Pseudozygopleuridae Knight et al. p. 312
1970	Cyclozygidae Likharev
1975	Pseudozygopleuridae Golikov and Starobogatov p. 214
1987	Eoptychiidae Golikov and Starobogatov
1987	Stephanozygidae Golikov and Starobogatov

Year	Name and Author
1988	Cyclozygidae Ponder and Warén p. 292
1988	Pseudozygopleuridae Ponder and Warén p. 292
1998	Pseudozygopleuridae Nützel
2002	Pseudozygopleuridae Kues p. 55
2005	Pseudozygopleuridae Bouchet et al. p. 247
2016	Pseudozygopleuridae Nützel and Ketwetsuriya p. 508

References

Knight J. B. (1930) The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: the Pseudozygopleurinae, Journal of Paleontology Memoir 4 4, 1-88

Knight J. B., Cox L. R., et al (1960) Systematic descriptions, Treatise on Invertebrate Paleontology. Mollusca I 1, 169-339

Golikov A. N., Starobogatov Y. I. (1975) Systematics of prosobranch gastropods, Malacologia 15 2, 185-232

Ponder W. F., Warén A. (1988) Appendix: classification of the Caenogastropoda and Heterostropha - a list of the family-group names and higher taxa, Malacological Review Suppl. 4, 288-326

Nützel A. (1998) Über die Stammesgeschichte der Ptenoglossa (Gastropoda), Berliner geowissenschaftliche Abhandlungen E 26, 1-229

Kues B. S. (2002) New genera and species of Middle Pennsylvanian gastropods from west Texas, Journal of Paleontology 76 1, 52-62

Bouchet P., Rocroi J.-P, et al (2005) A nomenclator and classification of gastropod family-group names, Malacologia 47 1-2, 1-368

Nützel A., Ketwetsuriya C. (2016) Systematic palaeontology, in Permian gastropods from the Tak Fa Limestone, Nakhon Sawan, northern Thailand, Bulletin of Geosciences 91, 481-513

Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. - via The Interim Register of Marine and Nonmarine Genera

Bouchet, P.; Rocroi, J.-P. (2005). Classification and nomenclator of gastropod families. Malacologia. 47(1-2): 1-397. - via The Interim Register of Marine and Nonmarine Genera

Knight, J. B. (1930). The gastropods of the Saint Louis, Missouri, Pennsylvanian outlier: the Pseudozygopleurinae. Journal of Paleontology. 4 (Suppl. 1): 78 pp., 5 pls. - via World Register of Marine Species

Bouchet, P., Rocroi, J.-P. (2005). Classification and nomenclator of gastropod families. Malacologia. 47(1-2): 1-397 ISBN 3-925919-72-4. - via World Register of Marine Species

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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