Catalog - Rosalina hitchcockae Catalog - Rosalina hitchcockae

CATALOG OF ORIGINAL DESCRIPTIONS: Rosalina hitchcockae Galloway & Wissler, 1927

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: bf_cat -> R -> Rosalina -> Rosalina hitchcockae
Other pages this level: R. ammonoides, R. araucana, R. auberii, R. bertheloti, R. bulloides, R. calymene, R. clementiana, R. hitchcockae, R. isabelleana, R. obtusa, R. opercularis, R. orbicularis, R. parisiensis, R. parkinsoniana, R. poeyi, R. rugosa, R. saulcyi, R. valvulata, R. vilardeboana

Rosalina hitchcockae

Citation: Rosalina hitchcockae Galloway & Wissler, 1927
Taxonomic rank: species
Described on page(s) : 62
Type specimens: pl. 10, fig. 2 (Paleo. Coll. No. 19850).
Type sample (& lithostrat): Lower San Pedro, lower bed, limestone.
Type age (chronostrat): Pleistocene.
Type locality: “Lomita Quarry” known as “Decomposed Marine Shell and Bone Quarry” on the north side of Palos Verdes Hills, about 20 miles south of Los Angeles and 2 miles south of the town of Lomita, California.
Type repository: New York; Columbia University, New York, NY, USA, Paleontology Collection.

Linked specimens: USNM-454941

Current identification/main database link: Cibicorbis hitchcockae (Galloway&Wissler), 1927


Original Description

Test rotaliform, unequally biconvex, the ventral side much more so and deeply umbilicate, the peripheral margin bluntly rounded and keeled; chambers about eight in the last whorl, the last much larger; sutures curved, broadly limbate, raised on the dorsal side and depressed on the ventral; wall smooth, hyaline, conspicuously perforate; aperture a curved slit at the base of the last chamber, largest near the umbilicus.

Size:
Diameter of the type specimen, 0.8 mm.; thickness, 0.49 mm.

References:

Galloway, J. J. & Wissler, S. G. (1927). Pleistocene foraminifera from the Lomita Quarry, Palos Verdes Hills, California. Journal of Paleontology. 1: 35-87. gs

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Rosalina hitchcockae compiled by the bforams@mikrotax project team viewed: 20-8-2026

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