Rhynchonellata - Spiriferida - Ambocoeliidae
Alternative combination: Crurithyris attenuata
Full reference: P. E. Cloud. 1944. Part III: Permian brachiopods, in Geology and paleontology of the Permian area northwest of Las Delicias, southwestern Coahuila, Mexico. Geological Society of America Special Paper 52:49-69
Belongs to Attenuatella according to G. A. Cooper and R. E. Grant 1976
See also Cloud 1944 and Stehli 1954
Sister taxa: Attenuatella altilis, Attenuatella bandoi, Attenuatella bisulcata, Attenuatella incurvata, Attenuatella mengi, Attenuatella mepailensis, Attenuatella multispinosa, Attenuatella omolonensis, Attenuatella paraincurvata, Attenuatella piyasini, Attenuatella stringocephaloides, Attenuatella taimyrica, Attenuatella texana, Attenuatella xiujumqinqiensis
Type specimen: YPM S-2745. 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.
Ecology: stationary low-level epifaunal suspension feeder
Distribution: found only at King 20, Beds 5,7, Cerro Wencelao to El Indio, Las Delicias
Specimen images are retrieved through the ePANDDA API.
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