Armstrong, A. K. (1958). Meramecian (Mississippian) endothyrid fauna from the Arroyo Peñasco Formation, northern and central New Mexico. Journal of Paleontology. 32, No. 5 (Sep., 1958), pp. 970-976.

352230

Armstrong, A. K.

1958

32, No. 5 (Sep., 1958), pp. 970-976

Publication

https://www.jstor.org/stable/1300715

Available for editors   [request]

An endothyrid fauna of Meramecian age is described and illustrated from the Arroyo Peñasco formation of northern central New Mexico. This fauna and the enclosing rocks represent a western extension of the Meramecian episea of southwestern Kansas, western Oklahoma and northwestern Texas. Endothyra prodigiosa new species, Endothyra macra Zeller, and several unnamed species of Plectogyra and Endothyra are described and illustrated. Comparison is made with the endothyrids of the Leadville limestone (Lower Osagian) of the San Juan Mountains, Colorado. Its diagnostic microfossil Granuliferella aff. granulosa Zeller is described and illustrated. Plectogyra sp. from the Kelly formation (Keokuk) of west-central New Mexico is also described and illustrated.

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