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Spinifrons quadrata

Strophomenata - Productida - Productidae

Taxonomy
Spinifrons quadratus was named by Stehli (1954). Its type specimen is AMNH 27300 and is not a trace fossil. It is the type species of Spinifrons.

It was corrected as Spinifrons quadrata by Cooper and Grant (1975).

Synonymy list
YearName and author
1954Spinifrons quadratus Stehli p. 318 figs. Pl 20, figs 6-10
1975Spinifrons quadrata Cooper and Grant p. 1086 figs. Pl 384, figs 1-12; pl 387, figs 1-28; pl 390, figs 1-7

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
RankNameAuthor
classStrophomenataWilliams et al 1996
orderProductidaSarycheva and Sokolskaya 1959
suborderProductidina
superfamilyProductoideaGray 1840
familyProductidaeGray 1840
subfamilyBuxtoniinaeMuir-Wood and Cooper 1960
tribeTolmatchoffiiniSarytcheva 1963
genusSpinifrons
speciesquadrata()

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.

†Spinifrons quadrata Stehli 1954
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Diagnosis
No diagnoses are available