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Pseudomalaxis

Photos

Photo Gallery

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	2298127	https://www.gbif.org/species/2298127
PaleoBioDB ID (PBDB)	12176	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=12176

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Mollusca : Gastropoda : Architectonicidae : Pseudomalaxis

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	Orthogastropoda	Ponder and Lindberg 1997
superorder	Heterobranchia	Gray 1840
superfamily	Architectonicoidea	Gray 1840
family	Architectonicidae	Gray 1850
genus	Pseudomalaxis	P.Fischer 1885

Scientific Name

Pseudomalaxis P.Fischer, 1885

Name Published In

Man. Conch.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Pseudomalaxis	genus	belongs to Architectonicidae	stated without evidence	Sohl, 1960
Pseudomalaxis	genus	belongs to Architectonicidae	stated with evidence	Buonaiuto, 1975
Pseudomalaxis	genus	belongs to Heterostrophia	second hand	Sepkoski, 2002
Pseudomalaxis	genus	belongs to Architectonicidae	stated without evidence	Wienrich and Janssen, 2007

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

2 (20%)

First Recorded Appearance

105 - 100 Ma
Cretaceous

Motility

actively mobile (based on Architectonicidae)

Vision

limited (based on Gastropoda)

Diet

carnivore (based on Architectonicidae)

Taphonomy

aragonite (based on Gastropoda)

Primary Reference (PBDB)

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

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Pseudomalaxis (Ewekorolaxis) ✝ subgenus	listed (PBDB)		1	61.6 Ma Paleocene	61.6 Ma Paleocene
Pseudomalaxis (Platylaxis) ✝ subgenus	listed (PBDB)
Pseudomalaxis (Pseudomalaxis) subgenus	listed (PBDB)		7	37.2 Ma Eocene	0 Ma Extant
Homalaxis praemeridionalis species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis africana species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis berezovskyi species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis boettgeri species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis caceresi ✝ species	accepted (GBIF) listed (PBDB)		2	66.0 Ma Late/Upper Cretaceous	61.6 Ma Paleocene
Pseudomalaxis clenchi species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis dingdensis species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis ewekoroensis species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis extractrix species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis kayodei species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis nigeriensis species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis obolos species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis parisoti species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis patens species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis pateriformis species	accepted (GBIF) listed (PBDB)		11	83.5 Ma Late/Upper Cretaceous	70.6 Ma Late/Upper Cretaceous
Pseudomalaxis pilsbryi species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis planoconcavus species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis punjabensis ✝ species	accepted (GBIF) listed (PBDB)		1	56.0 Ma Paleocene	56.0 Ma Paleocene
Pseudomalaxis stantoni species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis varonei species	accepted (GBIF)	No associated record in PBDB
Pseudomalaxis zanclaeus species	accepted (GBIF)	No associated record in PBDB

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Discosolis Dall, 1892	GBIF	genus	Animalia : Mollusca : Gastropoda : Architectonicidae : *Discosolis*
Pseudomalaxus	GBIF	genus	Animalia : Mollusca : Gastropoda : Architectonicidae : *Pseudomalaxus*
Mangonuia Mestayer, 1930	GBIF	genus	Animalia : Mollusca : Gastropoda : Architectonicidae : *Mangonuia*

Synonymy List

Year	Name and Author
1850	Pseudomalaxis Fischer
1892	Discohelix (Discosolis) Dall p. 231
1960	Pseudomalaxis Sohl p. 65
1975	Pseudomalaxis Buonaiuto p. 24
1982	Pseudomalaxis Ladd p. 30
2001	Pseudomalaxis Todd
2002	Pseudomalaxis Sepkoski, Jr.
2007	Pseudomalaxis Wienrich and Janssen p. 732

References

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

Sohl N. F. (1960) Archeogastropoda, Mesogastropoda and stratigraphy of the Ripley, Owl Creek, and Prairie Bluff Formations, US Geological Survey Professional Paper 331, 1-151

Buonaiuto M. F. (1975) Note on the genus Pseudomalaxis Fischer (Mollusca: Gastropoda) and its fossil species in Australia, Transactions of the Royal Society of South Australia 99 1, 21-29

Ladd H. S. (1982) Cenozoic fossil mollusks from Western Pacific Islands; Gastropods (Volutidae through Terebridae), United States Geological Survey Professional Paper 1171, 1-100

Todd J. A. (2001) Systematic list of gastropods in the Panama Paleontology Project collections

Wienrich G., Janssen R. (2007) Die Fauna des marinen Miozäns von Kevelaer (Niederrhein). Band 4 Gastropoda ab Mitridae, Backhuys Publishers BV Leiden 4, 643-954

Turgeon, D. D., J. F. Quinn, Jr., A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, et al., 1998: Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks, 2nd ed.. American Fisheries Society Special Publication 26. 526. - via Integrated Taxonomic Information System (ITIS)

Bieler, R. (1993). Architectonicidae of the Indo-Pacific (Mollusca, Gastropoda). Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg. NF. 30: 1-376. - via World Register of Marine Species

Aphia2006 - via The Interim Register of Marine and Nonmarine Genera

CoL2006 - 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

SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - 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

WoRMS (Mar 2013) - via The Interim Register of Marine and Nonmarine Genera

Man. Conch. - 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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