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BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Megadesmidae ✝

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)3248106https://www.gbif.org/species/3248106
PaleoBioDB ID (PBDB)61078https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=61078
Rankfamily
Taxonomy (GBIF)Life : Animalia : Mollusca : Bivalvia : Megadesmidae
Taxonomy (PBDB)Life : Animalia : Mollusca : Bivalvia : Pholadomyida : Megadesmidae
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Spiralia
superphylumLophotrochozoa
phylumMolluscaLinnaeus 1758
classBivalviaLinnaeus 1758
-EubivalviaCarter 2011
subclassAutobranchia
infraclassHeteroconchia
-CardiomorphiFerussac 1822
-CardioniFerussac 1822
-CardiidiaFerussac 1822
-PoromyataRidewood 1903
orderPholadomyida
superfamilyEdmondioidea
familyMegadesmidaeVokes 1967
Scientific NameMegadesmidae
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Megadesmidaefamilybelongs to Pholadomyaceastated with evidenceVokes, 1980
Megadesmidaefamilybelongs to Edmondiaceastated with evidenceMorris et al., 1991
Megadesmidaefamilybelongs to EdmondioideaimpliedNevesskaja, 2009
Megadesmidaefamilyinvalid subgroup of Edmondioideastated without evidenceBouchet et al., 2010
Status (PBDB)extinct
Taxon Size (PBDB)69
First Recorded Appearance347 - 315 Ma
Carboniferous
Last Recorded Appearance247 - 242 Ma
Triassic
Motilityfacultatively mobile (based on Pholadomyida)
Visionblind (based on Bivalvia)
Dietsuspension feeder (based on Pholadomyida)
Taphonomyaragonite (based on Bivalvia)
Primary Reference (PBDB)H. E. Vokes. 1980. Genera of the Bivalvia: a systematic and bibliographic Catalogue. Genera of the Bivalvia: a systematic and bibliographic Catalogue

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Astartilinae
subfamily
listed (PBDB)18279 Ma
Permian
254 Ma
Permian
Plesiocyprellinae
subfamily
listed (PBDB)2290 Ma
Permian
260 Ma
Permian
Plesiocyprinellinae
subfamily
listed (PBDB)9273 Ma
Permian
260 Ma
Permian
Astartila
genus
accepted (GBIF)
listed (PBDB)
57299 Ma
Carboniferous
254 Ma
Permian
Beurlenella
genus
accepted (GBIF)
listed (PBDB)
1260 Ma
Permian
260 Ma
Permian
Carnauba
genus
accepted (GBIF)
listed (PBDB)
1318 Ma
Carboniferous
318 Ma
Carboniferous
Cowperesia
genus
accepted (GBIF)
listed (PBDB)
19273 Ma
Permian
265 Ma
Permian
Guiratingia
genus
accepted (GBIF)
listed (PBDB)
1290 Ma
Permian
290 Ma
Permian
Huabiella
genus
accepted (GBIF)
listed (PBDB)
1269 Ma
Permian
269 Ma
Permian
Itatamba
genus
accepted (GBIF)
listed (PBDB)
1265 Ma
Permian
265 Ma
Permian
Megadesmus
genus
accepted (GBIF)
listed (PBDB)
81326 Ma
Carboniferous
251 Ma
Early/Lower Triassic
Pyramus
genus
accepted (GBIF)
listed (PBDB)
68347 Ma
Carboniferous
254 Ma
Permian
Romaniamya
genus
listed (PBDB)1247 Ma
Early/Lower Triassic
247 Ma
Early/Lower Triassic
Runnegariella
genus
accepted (GBIF)
listed (PBDB)
Unklesbayella
genus
accepted (GBIF)
listed (PBDB)
7318 Ma
Carboniferous
303 Ma
Carboniferous

Synonymy List

YearName and Author
1967Megadesmidae Vokes
1980Megadesmidae Vokes p. 203
1991Megadesmidae Morris et al. p. 93
2009Megadesmidae Nevesskaja

References

Vokes H. E. (1980) Genera of the Bivalvia: a systematic and bibliographic Catalogue, Genera of the Bivalvia: a systematic and bibliographic Catalogue
Morris N. J., Dickins J. M., et al (1991) Upper Palaeozoic Anomalodesmatan Bivalvia, Bulletin of the British Museum of Natural History (Geology) 47 1, 51-100
Nevesskaja L. A. (2009) Principles of Systematics and the System of Bivalves, Paleontological Journal 43 1, 1-11 doi:10.1134/S0031030109010018
Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. - via The Interim Register of Marine and Nonmarine Genera
Museum Victoria KEmu database (Oct 2006) - 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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