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Ramonalinidae ✝

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Description

Ramonalinidae is an extinct family of marine bivalve molluscs from the late Anisian (early Middle Triassic). It was an edgewise-recliner with a flattened anteroventral surface (on which it rested) and partially fused valves. They formed distinctive mud mounds.

From Wikipedia article at https://en.wikipedia.org/wiki/Ramonalinidae, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	7864581	https://www.gbif.org/species/7864581
PaleoBioDB ID (PBDB)	158235	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=158235

Rank

family

Taxonomy (GBIF,PBDB)

Life : Animalia : Mollusca : Bivalvia : Myalinida : Ramonalinidae

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
phylum	Mollusca	Linnaeus 1758
class	Bivalvia	Linnaeus 1758
-	Eubivalvia	Carter 2011
subclass	Autobranchia
infraclass	Pteriomorphia
-	Ostreomorphi	Ferussac 1822
-	Ostreioni	Ferussac 1822
-	Myalinata	Paul 1939
order	Myalinida	Paul 1939
superfamily	Ambonychioidea
family	Ramonalinidae	Yancey et al. 2009

Scientific Name

Ramonalinidae

Name Published In

Yancey, T. E.; Wilson, M. A.; Mione, A. C. S. (2009). The ramonalinids: A new family of mound-building bivalves of the early Middle Triassic. Palaeontology. 52(6):1349–1361.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Ramonalinidae	family	belongs to Bivalvia	stated without evidence	Yancey et al., 2009
Ramonalinidae	family	belongs to Ambonychioidea	stated without evidence	Bouchet et al., 2010
Ramonalinidae	family	belongs to Ambonychioidea	stated with evidence	Carter et al., 2011

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

247 - 242 Ma
Triassic

Last Recorded Appearance

247 - 242 Ma
Triassic

Motility

facultatively mobile (based on Pteriomorphia)

Vision

blind (based on Bivalvia)

Diet

suspension feeder (based on Pteriomorphia)

Taphonomy

aragonite (based on Bivalvia)

Primary Reference (PBDB)

T. E. Yancey, M. A. Wilson, and A. C. S. Mione. 2009. The ramonalinids: a new family of mound-building bivalves of the early Middle Triassic. Palaeontology 52(6):1349-1361

Wikipedia

https://en.wikipedia.org/wiki/Ramonalinidae

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Ramonalina ✝ genus	accepted (GBIF) listed (PBDB)		2	247 Ma Early/Lower Triassic	247 Ma Early/Lower Triassic

Synonymy List

Year	Name and Author
2009	Ramonalinidae Yancey et al.
2010	Ramonalinidae Bouchet et al.
2011	Ramonalinidae Carter et al. p. 8

References

Yancey T. E., Wilson M. A., et al (2009) The ramonalinids: a new family of mound-building bivalves of the early Middle Triassic, Palaeontology 52 6, 1349-1361

Bouchet P., Rocroi J.-P., et al (2010) Nomenclator of Bivalve Families with a Classification of Bivalve Families, Malacologia 52 2, 1-184 doi:10.4002/040.052.0201

Carter J. G., Altaba C. R., et al (2011) A Synoptical Classification of the Bivalvia (Mollusca), University of Kansas Paleontological Institute Paleontological Contributions 4, 1-47

Yancey et al., 2009 - via The Interim Register of Marine and Nonmarine Genera

Palaeontology 52: 1351. - via The Interim Register of Marine and Nonmarine Genera

Yancey, T. E.; Wilson, M. A.; Mione, A. C. S. (2009). The ramonalinids: A new family of mound-building bivalves of the early Middle Triassic. Palaeontology. 52(6):1349–1361. - via World Register of Marine Species

Carter, J. G.; Altaba, C. R.; Anderson, L. C.; Araujo, R.; Biakov, A. S.; Bogan, A. E.; Campbell, D. C.; Campbell, M.; Jin-hua, C.; Cope, J. C. W.; Delvene, G.; Dijkstra, H. H.; Zong-jie, F.; Gardner, R. N.; Gavrilova, V. A.; Goncharova, I. A.; Harries, P. J.; Hartman, J. H.; Hautmann, M.; Hoeh, W. R.; Hylleberg, J.; Bao-yu, J.; Johnston, P.; Kirkendale, L.; Kleemann, K.; Koppka, J.; Kříž, J.; Machado, D.; Malchus, N.; Márquez-Aliaga, A.; Masse, J.-P.; McRoberts, C. A.; Middelfart, P.U.; Mitchell, S.; Nevesskaja, L. A.; Özer, S.; Pojeta, J. Jr.; Polubotko, I.V.; Pons, J. M.; Popov, S.; Sánchez, T.; Sartori, A. F.; Scott, R. W.; Sey, I. I.; Signorelli, J. H.; Silantiev, V. V.; Skelton, P. W.; Steuber, T.; Waterhouse, J. B.; Wingard, G. L.; Yancey, T. (2011). A synoptical classification of the Bivalvia (Mollusca). Paleontological Contributions. 4: 1-47. - via World Register of Marine Species

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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