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Pachymya

Bivalvia - Pholadomyida - Pholadomyidae

Taxonomy
Pachymya was named by Sowerby (1826) [Sepkoski's age data: Tr m K Maes Sepkoski's reference number: 991]. It is not extant. Its type is Pachymya gigas.

It was assigned to Pholadomyoida by Sepkoski (2002); and to Pholadomyidae by Vokes (1980), Aberhan (2004), Scholz et al. (2008), Ros-Franch et al. (2014).

Synonymy list
YearName and author
1826Pachymya Sowerby
1980Pachymya Vokes p. 205
2002Pachymya Sepkoski
2004Pachymya Aberhan p. 136
2008Pachymya Scholz et al.
2014Pachymya Ros-Franch et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—PoromyataRidewood 1903
orderPholadomyida()
superfamilyPholadomyoideaKing 1844
familyPholadomyidaeKing 1844
genusPachymyaSowerby 1826

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Pachymya Sowerby 1826
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Subg. †Pachymya (Pachymya) Sowerby 1826
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†Pachymya austinensis Shumard 1859
†Pachymya gigas Sowerby 1826
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Locomotion: facultatively mobilef
Life habit: deep infaunalf
Diet: suspension feederf
Vision: blindc
Created: 2009-10-09 06:48:13
Modified: 2009-10-10 16:18:40
Source: f = family, c = class
Reference: Aberhan et al. 2004

Age range: base of the Sevatian to the top of the Maastrichtian or 211.18000 to 66.00000 Ma

Collections (61 total)


Time interval Ma Country or state Original ID and collection number
Sevatian211.18 - 205.7Iran P. sp. A (49329)
Jurassic201.4 - 143.1Chile (Huasco) P. sp. (223365)
Early/Lower Sinemurian199.5 - 192.9Chile P. sp. (210171 210172)
Late/Upper Sinemurian199.5 - 192.9Chile P. sp. (210182)
Sinemurian199.5 - 192.9Mexico (Sonora) P. sp. (40177)
Early/Lower Pliensbachian192.9 - 184.2Mexico (Sonora) P. sp. A (115216)
Late/Upper Pliensbachian192.9 - 184.2Germany (North Rhine-Westphalia) P. arcacea (225400 225406)
Late/Upper Pliensbachian192.9 - 184.2Chile P. rotundocaudata (33654 33655 33656 33658 35433 35434 35435)
Pliensbachian192.9 - 184.2Chile P. rotundocaudata (7428 7429 7430 95409)
Spinatum192.9 - 184.2Germany P. arcacea (126569 159446)
Early/Lower Toarcian184.2 - 182.9Spain P. sp. (25211 25212 25213 25218 26141 26143 26147 26149 26325 26326 26329 26330 26332 26336)
Callovian165.3 - 161.5India P. mithali (68653 68657 68669)
Late/Upper Oxfordian157.9 - 154.8Germany P. sinuata (60387)
Kimmeridgian154.8 - 149.2Portugal P. helvetica (8511)
Late/Upper Kimmeridgian152.21 - 149.2Germany P. sp. (211294)
Early/Lower Tithonian149.2 - 145.06Germany P. kelheimensis (34608)
Early/Lower Tithonian149.2 - 145.06Germany (Bavaria) P. kelheimensis (57157 57791)
Tithonian149.2 - 143.1Greenland P. sinuata (1199 1261 1409 1460)
Hauterivian132.6 - 125.77Japan P. longzhaogouensis (116149 116150)
Late/Upper Albian106.3 - 100.5USA (Texas) P. austinensis (58637)
Early/Lower Cenomanian100.5 - 93.9USA (Texas) P. austinensis (88748)
Coniacian - Santonian89.8 - 83.6Egypt P. sp. (114908)
Late/Upper Coniacian - Early/Lower Campanian89.8 - 72.2Italy (Veneto) P. frequens (142756)
Maastrichtian72.2 - 66.0Argentina (Chubut) P. sp. (74095 74107 74108 74123 74127)
Maastrichtian72.2 - 66.0Serbia P. mermera (1380)