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Tribrachyocrinus ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4873177	https://www.gbif.org/species/4873177
PaleoBioDB ID (PBDB)	32430	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=32430

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Echinodermata : Crinoidea : Tribrachyocrinidae : Tribrachyocrinus

Taxonomy (PBDB)

Life : Animalia : Echinodermata : Crinoidea : Ampelocrinida : Tribrachyocrinidae : Tribrachyocrinus

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	Crinozoa	Matsumoto 1929
class	Crinoidea	Miller 1821
subclass	Pentacrinoidea	Jaekel 1918
infraclass	Inadunata
-	Cladida
order	Ampelocrinida	Webster and Jell 1999
family	Tribrachyocrinidae	Arendt and Willink 1981
genus	Tribrachyocrinus	M'Coy 1847

Scientific Name

Tribrachyocrinus M'Coy, 1847

Name Published In

Ann. Mag. Nat. Hist., 20

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Tribrachyocrinus	genus	belongs to Poteriocrinidae	stated with evidence	Etheridge, 1892
Tribrachyocrinus	genus	belongs to Tribrachyocrinidae	stated with evidence	Webster and Jell, 1999
Tribrachyocrinus	genus	belongs to Cladida	second hand	Sepkoski, 2002

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

290 - 279 Ma
Permian

Last Recorded Appearance

265 - 260 Ma
Permian

Environment

marine (based on Echinodermata)

Motility

stationary, attached (based on Cladida)

Vision

blind (based on Crinoidea)

Diet

suspension feeder (based on Cladida)

Reproduction

dispersal=water,planktonic (based on Echinodermata)

Ontogeny

accretion,addition of parts (based on Echinodermata)

Taphonomy

high Mg calcite (based on Crinoidea)

Primary Reference (PBDB)

F. M'Coy. 1847. XXI. On the fossil botany and zoology of the rocks associated with the coal of Australia. Annals and Magazine of Natural History 20(133):226-236

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Tribrachiocrinus granulatus species	accepted (GBIF)	No associated record in PBDB
Tribrachyocrinus brogerensis ✝ species	accepted (GBIF) listed (PBDB)		4	272 Ma Permian	269 Ma Permian
Tribrachyocrinus clarkei ✝ species	listed (PBDB)		3	279 Ma Permian	272 Ma Permian
Tribrachyocrinus clarkii species	accepted (GBIF)	No associated record in PBDB
Tribrachyocrinus corrugatus ✝ species	accepted (GBIF) listed (PBDB)		4	279 Ma Permian	269 Ma Permian
Tribrachyocrinus etheridgei ✝ species	accepted (GBIF) listed (PBDB)		3	290 Ma Permian	279 Ma Permian
Tribrachyocrinus granulatus ✝ species	listed (PBDB)		2	279 Ma Permian	269 Ma Permian
Tribrachyocrinus pseudoclarkei ✝ species	accepted (GBIF) listed (PBDB)		1	272 Ma Permian	272 Ma Permian
Tribrachyocrinus rattei ✝ species	accepted (GBIF) listed (PBDB)		2	272 Ma Permian	272 Ma Permian
Tribrachyocrinus singletonensis ✝ species	accepted (GBIF) listed (PBDB)		1	272 Ma Permian	272 Ma Permian

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Tribrachiocrinus Wachsmuth & Springer, 1886	GBIF	genus	Animalia : Echinodermata : Crinoidea : Tribrachyocrinidae : *Tribrachiocrinus*
Tribrachiocrinus M'Coy, 1847	GBIF	genus	Animalia : Echinodermata : Crinoidea : Tribrachyocrinidae : *Tribrachiocrinus*
Pentadia spatangus Dana, 1847	GBIF	species	Animalia : Echinodermata : Crinoidea : Tribrachyocrinidae : *Pentadia spatangus*
Pentadia reniformis Dana, 1847	GBIF	species	Animalia : Echinodermata : Crinoidea : Tribrachyocrinidae : *Pentadia reniformis*
Pentadia trigona Dana, 1847	GBIF	species	Animalia : Echinodermata : Crinoidea : Tribrachyocrinidae : *Pentadia trigona*

Synonymy List

Year	Name and Author
1847	Pentadia Dana p. 152
1847	Pentadia reniformis Dana p. 152
1847	Pentadia spatangus Dana p. 152
1847	Pentadia trigona Dana p. 152
1847	Tribrachyocrinus M'Coy p. 228
1892	Tribrachiocrinus Etheridge Jr. p. 82
1999	Tribrachyocrinus Webster and Jell p. 329
2002	Tribrachyocrinus Sepkoski, Jr.

References

M'Coy F. XXI. On the fossil botany and zoology of the rocks associated with the coal of Australia, Annals and Magazine of Natural History 20 133, 226-236

Dana J. D. Descriptions of fossil shells of the collections of the exploring expedition under the command of Charles Wilkes, USN, obtained in Australia, from the lower layers of the coal formation in Illawarra, and from a deposit probably of nearly the same age at Harper's Hill, Valley of the Hunter, American Journal of Science and Arts, Second Series 4, 151-160

Etheridge Jr. R. A monograph of the Carboniferous and Permo-Carboniferous invertebrata of New South Wales, Part II. Echinodermata, Annelida and Crustacea, Memoirs of the Geological Survey of New South Wales, Palaeontology 5, 65-131

Webster G. D., Jell P. A. (1999) New Permian crinoids from Australia, Memoirs of the Queensland Museum 43 1, 279-340

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

Ann. Mag. Nat. Hist., 20 - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus (authority adjusted) - 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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