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Ectogrammysia crassatis

Bivalvia - Grammysiidae

Taxonomy
Ectogrammysia crassatis was named by Hoare et al. (1989). Its type specimen is USNM 435866, a shell, and it is not a trace fossil. Its type locality is Loc. 1. USGS 14369. Road cut on se side US 65, 0.8 km sw of Peyton Creek Bridge, which is in a Serpukhovian offshore grainstone/shale in the Imo Formation of Arkansas. It is the type species of Ectogrammysia.

Synonymy list
YearName and author
1989Ectogrammysia crassatis Hoare et al. p. 598 fig. 6.15–6.20

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
CardiomorphiFerussac 1822
CardioniFerussac 1822
CardiidiaFerussac 1822
superfamilyGrammysioideaMiller 1877
familyGrammysiidaeMiller 1877
genusEctogrammysia
speciescrassatis

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.

Ectogrammysia crassatis Hoare et al. 1989
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Locomotion: facultatively mobilec
Life habit: infaunalc
Diet: suspension feederc
Vision: blindc
Created: 2009-06-11 17:54:40
Modified: 2009-06-11 19:54:40
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: Serpukhovian or 330.90000 to 323.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Serpukhovian330.9 - 323.2USA (Arkansas) Ectogrammysia crassatis (type locality: 5517)