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Polydiadema ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4875035	https://www.gbif.org/species/4875035
PaleoBioDB ID (PBDB)	32925	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=32925

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Echinodermata : Echinoidea : Phymosomatoida : Polydiaematidae : Polydiadema

Taxonomy (PBDB)

Life : Animalia : Echinodermata : Echinoidea : Pseudodiadematidae : Polydiadema

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
-	Ambulacraria
phylum	Echinodermata	Klein 1754
subphylum	Echinozoa	von Zittel 1895
class	Echinoidea
subclass	Euechinoidea	Bronn 1860
superorder	Acroechinoidea
-	Carinacea	Kroh and Smith 2010
family	Pseudodiadematidae	Pomel 1883
genus	Polydiadema	Lambert 1888

Scientific Name

Polydiadema Lambert, 1888

Name Published In

Bull. Soc. Yonne, 41 (2)

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Polydiadema	genus	belongs to Centrechinidae	stated without evidence	Grant and Hertlein, 1938
Polydiadema	genus	belongs to Pseudodiadematidae	stated without evidence	Fell and Pawson, 1966
Polydiadema	genus	belongs to Hemicidaroida	second hand	Sepkoski, 2002

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

172 - 168 Ma
Middle Jurassic

Last Recorded Appearance

99.6 - 93.5 Ma
Late/Upper Cretaceous

Environment

marine (based on Echinodermata)

Motility

actively mobile (based on Echinoidea)

Vision

limited (based on Echinoidea)

Diet

grazer, deposit feeder (based on Echinoidea)

Reproduction

dispersal=water,planktonic (based on Echinodermata)

Ontogeny

accretion,addition of parts (based on Echinodermata)

Taphonomy

high Mg calcite (based on Echinoidea)

Primary Reference (PBDB)

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

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Girardema bipunctatum ✝ species	accepted (GBIF) listed (PBDB)		1	161 Ma Jurassic	161 Ma Jurassic
Polydiadema ambiguum species	accepted (GBIF)	No associated record in PBDB
Polydiadema bosei species	accepted (GBIF)	No associated record in PBDB
Polydiadema cantabrum species	accepted (GBIF)	No associated record in PBDB
Polydiadema cotteaui species	accepted (GBIF)	No associated record in PBDB
Polydiadema joaquinensis ✝ species	accepted (GBIF) listed (PBDB)
Polydiadema karakachi species	accepted (GBIF)	No associated record in PBDB
Polydiadema korotkovi species	accepted (GBIF)	No associated record in PBDB
Polydiadema lioni species	accepted (GBIF)	No associated record in PBDB
Polydiadema mamillanum species	accepted (GBIF)	No associated record in PBDB
Polydiadema travisensis species	accepted (GBIF)	No associated record in PBDB
Trochotiara aalensis species	accepted (GBIF)	No associated record in PBDB
Trochotiara depressum species	accepted (GBIF)	No associated record in PBDB
Trochotiara radiatum species	accepted (GBIF)	No associated record in PBDB

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Aplodiadema de Loriol, 1902	GBIF	genus	Animalia : Echinodermata : Echinoidea : Phymosomatoida : Polydiaematidae : *Aplodiadema*
Trochotiara Lambert, 1901	GBIF	genus	Animalia : Echinodermata : Echinoidea : Phymosomatoida : Polydiaematidae : *Trochotiara*
Girardema Vadet, 1993	GBIF	genus	Animalia : Echinodermata : Echinoidea : Phymosomatoida : Polydiaematidae : *Girardema*
Tiarella Pomel, 1883	GBIF	genus	Animalia : Echinodermata : Echinoidea : Phymosomatoida : Polydiaematidae : *Tiarella*

Synonymy List

Year	Name and Author
1938	Polydiadema Grant and Hertlein p. 16
1966	Polydiadema Fell and Pawson p. U389
1993	Girardema Vadet p. 88
2002	Polydiadema Sepkoski, Jr.

References

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

Grant U. S., Hertlein L. G. (1938) The West American Cenozoic Echinoidea, Publications of the University of California at Los Angeles in Mathematical and Physical Sciences 2, 1-225

Fell H. B., Pawson D. L. (1966) Echinacea, Treatise on Invertebrate Paleontology,Part U Echinodermata 3. The Geological Society of America and The University of Kansas Press 2, U367-U440

Smith, A. B. & Kroh, A. (eds.). (2011). The Echinoid Directory. World Wide Web electronic publication. - via World Register of Marine Species

Smith, A.B. (2016). British Jurassic Regular Echinoids. Monograph of the Palaeontographical Society. 170 (646): 69-176, pls 42-82. - via World Register of Marine Species

Bull. Soc. Yonne, 41 (2) - 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

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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