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Acanthocrania densispina

Craniata - Craniida - Craniidae

Taxonomy
Acanthocrania densispina was named by Cooper and Grant (1974). Its type specimen is USNM 151434b, a valve, and it is a 3D body fossil. Its type locality is USNM702c, Old Word Ranch, Glass Mountains, which is in a Kungurian slope/ramp reef limestone in the Road Canyon Formation of Texas.

Sister species lacking formal opinion data
A. laevis, A. spinosa

Synonymy list
YearName and author
1974Acanthocrania densispina Cooper and Grant pp. 242-243 figs. Pl 27, figs 12-18

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumCraniiformeaPopov et al. 1993
classCraniata
orderCraniidaWaagen 1885
superfamilyCranioidea(Menke 1828)
familyCraniidaeMenke 1828
genusAcanthocraniaWilliams 1943
speciesdensispina

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.

†Acanthocrania densispina Cooper and Grant 1974
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Diagnosis
No diagnoses are available