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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