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Leptathyris index

Rhynchonellata - Athyridida - Athyrididae

Taxonomy
Leptathyris index was named by Johnson (1971). Its type specimen is USNM 157369 and is a 3D body fossil.

Sister species lacking formal opinion data
L. deino

Synonymy list
YearName and author
1971Leptathyris index Johnson p. 318 figs. P1. 40, figs. 1-15

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderAthyrididaBoucot et al. 1964
suborderAthyrididinaBoucot et al. 1964
superfamilyAthyridoideaMcCoy 1844
familyAthyrididaeMcCoy 1841
subfamilyDidymothyridinaeModzalevskaya 1979
genusLeptathyris
speciesindex

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.

†Leptathyris index Johnson 1971
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Diagnosis
ReferenceDiagnosis
J. G. Johnson 1971Very small, elongate-subpyriform Leptathyris.