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CATALOG OF ORIGINAL DESCRIPTIONS: Hastigerinella eocanica var. aragonensis Nuttall 1930

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: pf_cat -> H -> Hastigerinella -> Hastigerinella eocanica aragonensis
Other pages this level: H. alexanderi, H. bermudezi, H. bizonae, H. caucasica, H. colombiana, H. eocanica, H. eocanica aragonensis, H. frailensis, H. jarvisi, H. moremani, H. rhumbleri, H. riedeli, H. simplex, H. simplicissima, H. subcretacea, H. watersi

Hastigerinella eocanica aragonensis

Citation: Hastigerinella eocanica var. aragonensis Nuttall 1930
Taxonomic rank: variety
Type sample (& lithostrat): Aragon Fm.
Type age (chronostrat): Lower Eocene
Type locality: Arroyo La Laja, 720 m. s. 70 degrees W. of La Antigua crossing, Tampico region, Mexico
Type repository: Washington; USNM

Linked specimens: USNM-370414 USNM-370150 USNM-59510

Current identification:


Original Description

This species differs from the form described from the Isthmus of Tehuantepec I having more elongate chambers. These are, however, not as attenuate as those of H. jarvisi Cushman (Contr. Cushman lab. Foram. Research, vol. 6, 1930, pt. 1, p. 15). The terminations are also smooth and rounded and never spinose as in the latter species.

Editors' Notes
original combination not double checked

References:

Coxall, H. K. & Pearson, P. N. (2006). Taxonomy, biostratigraphy, and phylogeny of the Hantkeninidae (Clavigerinella, Hantkenina and Cribrohantkenina). In, Pearson, P. N., Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (eds) Atlas of Eocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 41(Chap 8): 213-256. gs O

Nuttall, W. L. F. (1930). Eocene Foraminifera from Mexico. Journal of Paleontology. 4: 271-293. gs

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Hastigerinella eocanica aragonensis compiled by the pforams@mikrotax project team viewed: 21-1-2025

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