CATALOG OF ORIGINAL DESCRIPTIONS: Truncorotalia sphericomiozea subsp. capitona 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 -> T -> Truncorotalia -> Truncorotalia sphericomiozea capitona
Other pages this level: T. crassula complanata, T. gabrieliani, T. marginodentata aperta, T. pseudocrassa hybrida, T. sphericomiozea capitona, T. tosaensis acrotenes, T. truncatulinoides nana

Truncorotalia sphericomiozea capitona

Citation: Truncorotalia sphericomiozea subsp. capitona Fordham 1986
Rank: sub-species
Type locality: DSDP 208-9-4-2-4 cm.
Type age (chronostrat): Globorotalia puncticulata zone; lower Pliocene.
Type specimens: UQF 72480.
Type repository: Brisbane, Australia; U Queensland Univ.

Current identification:

Original Description
Moderate in size, fairly robust; slightly elevated sinistral trochospire, tight. Equatorial outline oval, barely lobate; lateral outline biconvex, more convex ventrally. Chambers angular-truncate, closely appressed, about 9 in total, 3! in final whorl; increase rapid. Dorsal view: chambers much longer concentrically, flat; sutures flush; intercameral sutures directed and smoothly curved posteriorly; spiral suture and last-3 intercameral sutures of final whorl limbate. Ventral view: chambers moderately inflated, undergo rapid height increase; intercameral sutures curved, depressed, meeting at closed umbilicus; aperture umbilical--extraumbilical, interiomarginal, low, slightly higher near periphery. Lateral view: periphery keeled; dorsal face flat; ventral face and umbilical shoulder smoothly and gently convex. Wall densely and finelyperforate; sparse pustules.

Size: Length, 335 µm; width, 270 µm; height, 180 µm.

Etymology: Latin, capito, -onis, one with a large head.

Extra details from original publication
Description based on: Two specimens.
Holotype fig.: Fordham 1986 Pl. 23, fig. 14.


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


Truncorotalia sphericomiozea capitona compiled by the pforams@mikrotax project team viewed: 30-7-2021

Taxon Search:
Advanced Search

Short stable page link: Go to to create a permanent copy of this page - citation notes

Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
Captcha Image
Powered by Commentics