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Attenuatella attenuata

Rhynchonellata - Spiriferida - Ambocoeliidae

Taxonomy
Crurithyris attenuata was named by Cloud (1944). Its type specimen is YPM S-2745 and is a 3D body fossil. Its type locality is King 20, Beds 5,7, Cerro Wencelao to El Indio, Las Delicias, which is in a Capitanian marine shale/limestone in the La Difunta Formation of Mexico.

It was recombined as Attenuatella attenuata by Stehli (1954) and Cooper and Grant (1976).

Sister species lacking formal opinion data
A. australis

Synonymy list
YearName and author
1944Crurithyris attenuata Cloud p. 62 figs. Pl 17, figs 22-25
1954Attenuatella attenuata Stehli p. 343
1976Attenuatella attenuata Cooper and Grant p. 2132 figs. Pl 590, figs 32-39

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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
orderSpiriferida
suborderSpiriferidina
superfamilyAmbocoelioideaGeorge 1931
familyAmbocoeliidae
subfamilyAmbocoeliinae
genusAttenuatella
speciesattenuata()

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.

†Attenuatella attenuata Cloud 1944
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Diagnosis
No diagnoses are available