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Pyramus planus

Bivalvia - Pholadomyida - Megadesmidae

Taxonomy
Pyramus planus was named by Nakazawa and Newell (1968). It is a mold. Its type locality is Kawanishi Primary School, Gujo, Oe-cho, Kyoto Prefecture, which is in a Changhsingian marine shale in the Gujo Formation of Japan.

Synonymy list
YearName and author
1968Pyramus planus Nakazawa and Newell
1987Pyramus planus Fang p. 396 figs. Pl 8, fig 13

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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()
superfamilyEdmondioidea()
familyMegadesmidaeVokes 1967
genusPyramus
speciesplanus

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.

†Pyramus planus Nakazawa and Newell 1968
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
valve height1213.49.4023.712.44.04

Composition: aragonitec
Locomotion: facultatively mobileo
Life habit: infaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 12:37:17
Modified: 2004-02-28 14:37:17
Source: o = order, c = class
Reference: Aberhan et al. 2004

Age range: Changhsingian or 254.14000 to 251.90200 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Changhsingian254.14 - 251.902China (Hunan) Pyramus planus (97260 107813)
Changhsingian254.14 - 251.902Japan Pyramus planus (type locality: 114491)