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Ptychomya

Bivalvia - Carditida - Crassatellidae

Taxonomy
Ptychomya is a genus. It is not extant.

It was assigned to Veneroida by Sepkoski (2002); and to Ptychomyidae by Hayami (1975), Bouchet et al. (2010).

Synonymy list
YearName and author
1975Ptychomya Hayami
2002Ptychomya Sepkoski
2010Ptychomya Bouchet et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CarditioniDall 1889
orderCarditida(Dall 1889)
superfamilyCrassatelloidea(Férussac 1822)
familyCrassatellidaeFérussac 1822
familyPtychomyinae(Keen 1969)
genusPtychomya

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. †Ptychomya
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†Ptychomya densicostata Nagao 1934
†Ptychomya stantoni Cragin 1905
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitesuperf
Environment: marinesuperf
Locomotion: facultatively mobilef
Life habit: deep infaunalg
Diet: suspension feederf
Vision: blindsuperf
Created: 2009-10-09 07:05:25
Modified: 2009-10-09 09:05:25
Source: g = genus, f = family, superf = superfamily
References: Aberhan et al. 2004, Eames 1951, Sanchez Roig 1926

Age range: base of the Kimmeridgian to the top of the Albian or 154.80000 to 100.50000 Ma

Collections (49 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian154.8 - 149.2USA (Texas) P. stantonii (69010)
Kimmeridgian154.8 - 149.2Mexico (Chiapas) P. stantoni (98672)
Kimmeridgian154.8 - 149.2Chile (Coquimbo) P. sp. (221620)
Tithonian149.2 - 143.1Chile P. koeneni (57148)
Berriasian143.1 - 137.05Chile P. koeneni (57145)
Neocomian143.1 - 125.77Japan (Wakayama) P. densicostata (40659)
Neocomian143.1 - 125.77Japan (Gumma) P. densicostata (40488)
Neocomian143.1 - 125.77Japan (Iwate) P. densicostata (39982)
Early/Lower Valanginian137.05 - 132.6Argentina (Mendoza) P. sp. (44669 44710)
Early/Lower Valanginian137.05 - 132.6Switzerland P. robinaldina (2225)
Late/Upper Valanginian137.05 - 132.6Argentina P. koeneni (37785) P. sp. (37762)
Valanginian137.05 - 132.6France P. germani (2223) P. robinaldina (2222)
Valanginian - Hauterivian137.05 - 125.77Chile (Coquimbo) P. koeneni (221556)
Hauterivian - Valanginian132.6 - 132.6Italy (Sardinia) P. plana (2089)
Early/Lower Hauterivian132.6 - 125.77Argentina (Neuquen) P. koeneni (47202) P. sp. (50558 50562 50565 50568 50572 50575 50576 50577 50581 50582)
Early/Lower Hauterivian132.6 - 125.77Argentina P. koeneni (44743 44744) P. sp. (61593 61597 61598 61604 61643 61645) P. vacaensis (44680)
Hauterivian132.6 - 125.77Chile (Coquimbo) P. koeneni (222008)
Hauterivian132.6 - 125.77Switzerland P. robinaldina, P. neocomiensis (2198)
Late/Upper Hauterivian132.6 - 125.77Argentina P. sp. (151710)
Early/Lower Aptian121.4 - 119.57Chile (Copiapó) P. sp. (223023)
Aptian121.4 - 113.2Trinidad and Tobago P. sp. A, P. sp. B (1868)
Aptian121.4 - 113.2United Kingdom (England) P. robinaldina (1855)
Aptian121.4 - 113.2Japan (Iwate) P. densicostata (40553)
Late/Upper Aptian119.57 - 113.2Mexico (Baja California) P. densicostata (1878)
Late/Upper Aptian119.57 - 113.2Argentina P. sp. (64163)
Late/Upper Aptian119.57 - 113.2Japan P. sp. (91257)
Albian113.2 - 100.5Japan (Kumamoto) P. densicostata (40469 40601)