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Goniophora thula

Bivalvia - Modiomorphida - Modiomorphidae

Taxonomy
Goniophora thula was named by Kriz et al. (2011). Its type specimen is JK 17 875, a valve, and it is a 3D body fossil. Its type locality is 10RB10, East of Hoonah Airport, which is in a Homerian/Gorstian carbonate siltstone/limestone in the Kennel Creek Formation of Alaska.

Sister species lacking formal opinion data

Synonymy list
YearName and author
2011Goniophora thula Kriz et al. pp. 248 - 250 fig. 5A–R

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
RankNameAuthor
CardiomorphiFerussac 1822
CardioniFerussac 1822
CardiidiaFerussac 1822
CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderModiomorphida(Newell 1969)
superfamilyModiomorphoidea(Miller 1877)
familyModiomorphidae
subfamilyModiomorphinaeMiller 1877
genusGoniophoraPhillips 1848
speciesthula

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.

Goniophora thula Kriz et al. 2011
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Diagnosis
ReferenceDiagnosis
J. Kriz et al. 2011A Silurian Goniophora with strongly inequilateral, postero-ventrally elongated, lanceolate shells, with outer surface sculpture composed of numerous, irregularly spaced narrow growth bands and furrows and with dorsal (posterior) and ventral (anterior) parts separated by prominent S-shaped carina between the umbo and extended ventral extremity. Posterior slope is overhanging.