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Discohelix ✝

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Description

Discohelix is a genus of extinct sea snails, marine gastropod mollusks in the family Discohelicidae.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4607314	https://www.gbif.org/species/4607314
PaleoBioDB ID (PBDB)	8448	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=8448

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Mollusca : Gastropoda : Discohelicidae : Discohelix

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	Vetigastropoda	Salvini-Plawen 1980
superfamily	Cirroidea	Bandel 1993
family	Discohelicidae	Schröder 1995
genus	Discohelix	Dunker 1847

Scientific Name

Discohelix Dunker, 1847

Name Published In

Dunker, W. (1847). Über einige neue Versteinerungen aus verschidenen Gebirgs-formationen. Palaeontographica. 1: 128-133.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Discohelix	genus	belongs to Euomphalidae	stated with evidence	Ulrich and Scofield, 1897
Discohelix	subgenus	belongs to Euomphalus	stated with evidence	Delpey, 1941
Discohelix	genus	belongs to Euomphalidae	stated with evidence	Knight et al., 1960
Discohelix	genus	belongs to Discohelicidae	stated with evidence	Schröder, 1995
Discohelix	genus	belongs to Euomphalina	second hand	Sepkoski, 2002
Discohelix	genus	belongs to Discohelicidae	stated with evidence	Bouchet et al., 2005

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

247 - 242 Ma
Triassic

Last Recorded Appearance

2.59 - 0.78 Ma
Pleistocene

Motility

actively mobile (based on Vetigastropoda)

Vision

limited (based on Gastropoda)

Diet

grazer (based on Vetigastropoda)

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

Wikipedia

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

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Discohelix (Discogonius) ✝ subgenus	listed (PBDB)		9	247 Ma Early/Lower Triassic	247 Ma Early/Lower Triassic
Discohelix (Discohelix) ✝ subgenus	listed (PBDB)		3	183 Ma Early Jurassic	183 Ma Early Jurassic
Discohelix (Pentagonodiscus) ✝ subgenus	listed (PBDB)		1	174 Ma Middle Jurassic	174 Ma Middle Jurassic
Discohelix acarinata ✝ species	accepted (GBIF) listed (PBDB)		8	197 Ma Early Jurassic	190 Ma Early Jurassic
Discohelix albinatiensis ✝ species	accepted (GBIF) listed (PBDB)		2	183 Ma Early Jurassic	183 Ma Early Jurassic
Discohelix angusta species	accepted (GBIF)	No associated record in PBDB
Discohelix arabicum species	accepted (GBIF)	No associated record in PBDB
Discohelix calculiformis ✝ species	accepted (GBIF) listed (PBDB)		1	174 Ma Middle Jurassic	174 Ma Middle Jurassic
Discohelix calculus ✝ species	listed (PBDB)		1	170 Ma Middle Jurassic	170 Ma Middle Jurassic
Discohelix californicus ✝ species	accepted (GBIF) listed (PBDB)		2	66.0 Ma Late/Upper Cretaceous	59.2 Ma Paleocene
Discohelix centricosta ✝ species	accepted (GBIF) listed (PBDB)
Discohelix centricostan ✝ species	accepted (GBIF) listed (PBDB)		1	183 Ma Early Jurassic	183 Ma Early Jurassic
Discohelix conica ✝ species	accepted (GBIF) listed (PBDB)		1	183 Ma Early Jurassic	183 Ma Early Jurassic
Discohelix costata ✝ species	accepted (GBIF) listed (PBDB)		2	183 Ma Early Jurassic	172 Ma Middle Jurassic
Discohelix cotsoldiae species	accepted (GBIF)	No associated record in PBDB
Discohelix cotswoldiae ✝ species	accepted (GBIF) listed (PBDB)		1	172 Ma Middle Jurassic	172 Ma Middle Jurassic
Discohelix crenulata ✝ species	listed (PBDB)		1	183 Ma Early Jurassic	183 Ma Early Jurassic
Discohelix crenulatua species	accepted (GBIF)	No associated record in PBDB
Discohelix dictyota ✝ species	accepted (GBIF) listed (PBDB)		2	183 Ma Early Jurassic	180 Ma Early Jurassic
Discohelix elegantula ✝ species	accepted (GBIF) listed (PBDB)		1	168 Ma Middle Jurassic	168 Ma Middle Jurassic
Discohelix excavata ✝ species	listed (PBDB)		15	197 Ma Early Jurassic	190 Ma Early Jurassic
Discohelix guembeli ✝ species	listed (PBDB)		3	176 Ma Early Jurassic	161 Ma Jurassic
Discohelix inornata ✝ species	accepted (GBIF) listed (PBDB)		1	197 Ma Early Jurassic	197 Ma Early Jurassic
Discohelix levis ✝ species	accepted (GBIF) listed (PBDB)		1	174 Ma Middle Jurassic	174 Ma Middle Jurassic
Discohelix mariae ✝ species	accepted (GBIF) listed (PBDB)		1	190 Ma Early Jurassic	190 Ma Early Jurassic
Discohelix miocarinata ✝ species	accepted (GBIF) listed (PBDB)		3	197 Ma Early Jurassic	191 Ma Early Jurassic
Discohelix murrayensis species	accepted (GBIF)	No associated record in PBDB
Discohelix nucleata species	accepted (GBIF)	No associated record in PBDB
Discohelix orbis ✝ species	listed (PBDB)		53	197 Ma Early Jurassic	190 Ma Early Jurassic
Discohelix orientalis ✝ species	accepted (GBIF) listed (PBDB)
Discohelix ornata ✝ species	listed (PBDB)		1	197 Ma Early Jurassic	197 Ma Early Jurassic
Discohelix pinguis ✝ species	accepted (GBIF) listed (PBDB)
Discohelix pontileviensis species	accepted (GBIF)	No associated record in PBDB
Discohelix radiata ✝ species	listed (PBDB)
Discohelix subvenusta species	accepted (GBIF)	No associated record in PBDB
Discohelix texana ✝ species	accepted (GBIF) listed (PBDB)
Discohelix tunisiensis ✝ species	accepted (GBIF) listed (PBDB)		2	165 Ma Middle Jurassic	165 Ma Middle Jurassic
Discohelix venustus ✝ species	accepted (GBIF) listed (PBDB)
Euomphalus excavatus species	accepted (GBIF)	No associated record in PBDB
Euomphalus orbis species	accepted (GBIF)	No associated record in PBDB
Euomphalus ornatus species	accepted (GBIF)	No associated record in PBDB
Solarium crenulatum species	accepted (GBIF)	No associated record in PBDB

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Discohelia Giebel, 1852	GBIF	genus	Animalia : Mollusca : Gastropoda : Discohelicidae : *Discohelia*
Amerevohelix Guzhov, 2014	GBIF	genus	Animalia : Mollusca : Gastropoda : Discohelicidae : *Amerevohelix*

Synonymy List

Year	Name and Author
1847	Discohelix Dunker
1897	Discohelix Ulrich and Scofield
1941	Euomphalus (Discohelix) Delpey p. 264
1960	Discohelix Knight et al. p. 195
1979	Discohelix Szabo p. 20
1989	Discohelix Conti and Szabó p. 30
1995	Discohelix Schröder p. 10
2002	Discohelix Sepkoski, Jr.
2005	Discohelix Bouchet et al. p. 66
2010	Discohelix Bandel p. 479

References

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

Ulrich E. O., Scofield W. H. The Lower Silurian Gastropoda of Minnesota, The Paleontology of Minnesota 39 2, 813-1081

Delpey G. (1941) Les gasteropodes permiens du Cambodge, 1, Journal de Conchyologie 84, 255-278

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

Szabo J. (1979) Lower and Middle Jurassic Gastropods from the Bakony Mts. (Hungary). Part 1. Eumophalidae (Archaeogastropoda), Annales Historico-Naturales Musei Nationalis Hungarici 71, 15-31

Conti M. A., Szabó J. (1989) A revision of the Jurassic gastropod fauna from Cape San Vigilio (S-Alps, Italy), published by M. Vacek (1886), Fragmenta Mineralogica er Palaeontologica 14, 29-40

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

Bandel K. (2010) Relationships of the Triassic Eucycloidea Koken, 1897 (Mollusca, Gastropoda) to modern genera such as Pagodatrochus, Calliotropis and Euchelus, based on morphology of the early shell, Bulletin of Geosciences 85, 435-486 doi:10.3140/bull.geosci.1208

Dunker, W. (1847). Über einige neue Versteinerungen aus verschidenen Gebirgs-formationen. Palaeontographica. 1: 128-133. - via World Register of Marine Species

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

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

Palaeontographica, 1 (3) - 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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