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Megathiris

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	2252839	https://www.gbif.org/species/2252839
PaleoBioDB ID (PBDB)	130707	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=130707

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Megathyrididae : Megathiris

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	Rhynchonellata	Williams et al. 1996
order	Terebratulida	Waagen 1883
suborder	Terebratellidina	Muir-Wood 1955
superfamily	Megathyridoidea	Dall 1870
family	Megathyrididae	Dall 1870
genus	Megathiris	d'Orbigny 1847

Scientific Name

Megathiris d'Orbigny, 1847

Name Published In

Orbigny, A. D. d'. (1847). Considérations zoologiques et géologiques sur les brachiopodes ou palliobranches, parts 1–2. Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences, Paris (2nd series) 25(5):193–195; 25(7):266–269. Also published in Annales des Sciences Naturelles (series 3) 8:241–270.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Megathiris	genus	belongs to Terebratulida	second hand	Sepkoski, 2002
Megathiris	genus	belongs to Megathyrididae	stated with evidence	Williams et al., 2006
Megathiris	genus	misspelling of Megathiris	stated with evidence	Williams et al., 2006
Megathiris	genus	belongs to Megathyrididae	stated with evidence	Bitner and Müller, 2017

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

4 (80%)

First Recorded Appearance

70.6 - 66.0 Ma
Late/Upper Cretaceous

Motility

stationary, attached (based on Megathyrididae)

Vision

blind (based on Rhynchonellata)

Diet

suspension feeder (based on Megathyrididae)

Taphonomy

low Mg calcite (based on Brachiopoda)

Primary Reference (PBDB)

A. Williams, C. H. C. Brunton, and SJ Carlson, PG Baker, JL Carter, GB Curry, AS Dagys, R. Gourvennec, HF Hou, YG Jin, JG Johnson, DE Lee, DI MacKinnon, PR Racheboeuf, TN Smirnova, DL Sun. 2006. Treatise on Invertebrate Paleontology Part H, Brachiopoda. Volume 5: Rhynchonelliformea (part) 5:1689-2320

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Megathiris barroisi species	accepted (GBIF)	No associated record in PBDB
Megathiris bidiscoidea ✝ species	accepted (GBIF) listed (PBDB)		8	70.6 Ma Late/Upper Cretaceous	70.6 Ma Late/Upper Cretaceous
Megathiris capensis species	accepted (GBIF)	No associated record in PBDB
Megathiris detruncata species	accepted (GBIF) listed (PBDB)		37	38.0 Ma Eocene	0 Ma Extant
Megathyris barroisi species	accepted (GBIF) listed (PBDB)				0 Ma Extant
Megathyris capensis species	accepted (GBIF) listed (PBDB)				0 Ma Extant

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Aryope Davidson, 1850	GBIF	genus	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Megathyrididae : *Aryope*
Argyope Davidson, 1850	GBIF	genus	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Megathyrididae : *Argyope*

Synonymy List

Year	Name and Author
1842	Argiope Eudes-Deslongchamps
1847	Megathiris d'Orbigny
2002	Megathyris Sepkoski, Jr.
2006	Megathiris Williams et al. p. 2217
2017	Megathiris Bitner and Müller p. 216

References

Williams A., Brunton C. H. C., et al (2006) , Treatise on Invertebrate Paleontology Part H, Brachiopoda. Volume 5: Rhynchonelliformea (part) 5, 1689-2320

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

Bitner M. A., Müller A. (2017) Late Eocene (Priabonian) brachiopod fauna from Dnipropetrovsk, eastern Ukraine, Bulletin of Geosciences 92, 211-231

Howson, C.M. (2001). Brachiopoda, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 334 - via World Register of Marine Species

Logan, A. (2007). Geographic distribution of extant articulated brachiopods. In: Treatise on Invertebrate Paleontology, Part H, Brachiopoda (revised), vol.6, 3082–3115. Geological Society of America, Boulder, Colorado, and University of Kansas Press, Lawrence, Kansas. - 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

Hallan, J. (2000-current). Biology Catalog. Web compilation accessible at http://bug.tamu.edu/research/collection/hallan/ (accessed June 2012). - 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

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

SN2000/Foster, 1982 - via The Interim Register of Marine and Nonmarine Genera

C. R. Acad. Sci. (Paris), 25 - 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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