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Megasteges ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4866928	https://www.gbif.org/species/4866928
PaleoBioDB ID (PBDB)	27637	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=27637

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Brachiopoda : Strophomenata : Productida : Aulostegidae : Megasteges

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
-	Lophophorata
phylum	Brachiopoda	Cuvier 1805
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Strophomenata	Williams et al 1996
order	Productida	Sarycheva and Sokolskaya 1959
suborder	Strophalosiidina	Schuchert 1913
superfamily	Aulostegoidea	Muir-Wood and Cooper 1960
family	Aulostegidae	Muir-Wood and Cooper 1960
subfamily	Aulosteginae	Muir-Wood and Cooper 1960
genus	Megasteges	Waterhouse 1975

Scientific Name

Megasteges Waterhouse, 1975

Name Published In

Pap. Dep. Geol. Univ. Qd (N. S.) 7 (1)

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Megasteges	genus	belongs to Aulosteginae	stated with evidence	Williams et al., 2000
Megasteges	genus	belongs to Strophomenida	second hand	Sepkoski, 2002
Megasteges	genus	belongs to Aulostegidae	stated without evidence	Shen et al., 2003

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

290 - 279 Ma
Permian

Last Recorded Appearance

254 - 252 Ma
Permian

Motility

stationary, attached (based on Strophalosiidina)

Vision

blind (based on Strophomenata)

Diet

suspension feeder (based on Strophalosiidina)

Taphonomy

low Mg calcite (based on Brachiopoda)

Primary Reference (PBDB)

J. B. Waterhouse. 1975. New Permian and Triassic brachiopod taxa. Papers - Department of Geology, University of Queensland 7(1):1-23

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Megasteges geniculatus ✝ species	accepted (GBIF) listed (PBDB)	2	260 Ma Permian	260 Ma Permian
Megasteges nepalensis ✝ species	accepted (GBIF) listed (PBDB)	35	260 Ma Permian	254 Ma Permian
Megasteges randsi ✝ species	accepted (GBIF) listed (PBDB)	13	290 Ma Permian	290 Ma Permian
Megasteges septentrionalis ✝ species	accepted (GBIF) listed (PBDB)	4	260 Ma Permian	260 Ma Permian

Synonymy List

Year	Name and Author
1975	Megasteges Waterhouse p. 6
2000	Megasteges Williams et al. p. 587
2002	Megasteges Sepkoski, Jr.
2003	Megasteges Shen et al. p. 71

References

Waterhouse J. B. (1975) New Permian and Triassic brachiopod taxa, Papers - Department of Geology, University of Queensland 7 1, 1-23

Williams A., Carlson S. J., et al (2000) Part H Brachiopoda (revised): Volumes 2 & 3, Linguliformea, Craniiformea, Rhynchonelliformea (part)., Treatise on Invertebrate Paleontology, 1-919

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

Shen S.-Z., Shi G. R., et al (2003) Lopingian (Late Permian) brachiopods from the Qubuerga Formation at the Qubu section in the Mt. Qomolangma region, southern Tibet (Xizang), China, Palaeontographica Abteilung A 268 1-3, 49-101

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

Pap. Dep. Geol. Univ. Qd (N. S.) 7 (1) - 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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