Catalog - Globigerina bulbosa trisphaera

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina bulbosa subsp. trisphaera Fordham 1986

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 -> G -> Globigerina -> Globigerina bulbosa trisphaera
Other pages this level: << < G. baylissi, G. belli, G. bermudezi, G. bilobata, G. binaiensis, G. bolivariana pannonica, G. bollii, G. bollii lentiana, G. boweri, G. bradyi, G. bramlettei, G. brazieri, G. brevis, G. brevispira, G. bulbosa, G. bulbosa trisphaera, G. bulliformis, G. bulloides, G. bulloides borealis, G. bulloides bronnresigorum, G. bulloides compacta, G. bulloides cryptomphala, G. bulloides extensa, G. bulloides incrusta, G. bulloides quadripartita, G. bulloides recumbens, G. bulloides rubra pyramidalis, G. bulloides tripartita, G. butti, G. calabra, G. calida> >>

Globigerina bulbosa trisphaera

Citation: Globigerina bulbosa subsp. trisphaera Fordham 1986
Rank: sub-species
Type specimens: UQF 71901.
Type age (chronostrat): Orbulina suturalis zone; middle Miocene.
Type locality: DSDP 208-21-3 73-75 cm.
Type repository: Brisbane, Australia; U Queensland Univ.

Current identification:

Original Description

Moderate in size, robust; low dextral trochospire, tight parallel and perpendicular to axis. Equatorial outline weakly trilobate; lateral outline oval. Chambers globular, closely appressed, at least 7 in total, 3* in final whorl; increase rapid. Dorsal view: chambers weakly inflated; sutures weakly depressed; intercameral sutures radial. Ventral view: chambers moderately inflated; intercameral sutures radial, meeting at tight umbilicus; aperture an umbilical very restricted low arch with a thin lip; final chamber extends anteriorly onto third-last chamber. Lateral view: smoothly rounded. Wall densely perforate and thickly pustulose especially in early chambers of the final whorl.

Length, 330 µm; width, 320 µm; height, 250 µm.

Latin, tres, three; sphaera (f.), ball.

Extra details from original publication
Description based on: Two specimens.
Holotype fig.: Fordham 1986 Pl. 11, fig. 36.

Editors' Notes


Fordham, B. G. (1986). Miocene-Pleistocene planktic foraminifers from D.S.D.P. Sites 208 and 77, and phylogeny and classification of Cenozoic species. Queensland, Australia. 1-224. gs


Globigerina bulbosa trisphaera compiled by the pforams@mikrotax project team viewed: 7-10-2022

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