Catalog - Planomalina yaucoensis Catalog - Planomalina yaucoensis

CATALOG OF ORIGINAL DESCRIPTIONS: Planomalina yaucoensis Pessagno 1960

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 -> P -> Planomalina -> Planomalina yaucoensis
Other pages this level: P. alvarezi, P. apsidostroba, P. blowi, P. caseyi, P. ehrenbergi, P. maridalensis, P. mauryae, P. mendezensis, P. praebuxtorfi, P. pulchella, P. rowei, P. saundersi, P. yaucoensis

Planomalina yaucoensis

Citation: Planomalina yaucoensis Pessagno 1960
taxonomic rank: Species
Type specimens: 189984:
Type age (chronostrat): Campanian
Type locality: Approx. 2.75 miles (4.4 km) from Yauco on a dirt road running northeast from Yauco, near the City dump, along the Quebrada de Quebradas toward the Sierra Alta, in the Majaguez-Yauco District, northern Puerto Rico
Type repository: Ithaca; Paleontological Research Institution, Ithaca, New York;

Linked specimens: USNM-189984

Current identification/main database link: Planohedbergella yaucoensis (Pessagno, 1960)

Original Description

"Test lobulate, biumbilicate, planispirally coiled with 6-8 chambers in last whorl; initial chambers spherical, later chambers ovoid, gradually increasing in size; ornamentation consisting of medium-sized papillae; sutures straight, radial, and depressed; umbilici large and deep; aperture equatorial, a low semicircular opening leading into both umbilical areas from base of last chamber; last chamber frequently compressed or variously distorted."

0.4 mm


Pessagno, E. A. (1960). Stratigraphy and micorpaleontology of the Cretaceous and lower Tertiary of Puerto Rico. Micropaleontology. 6(1): 87-110. gs


Planomalina yaucoensis compiled by the pforams@mikrotax project team viewed: 19-6-2024

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