CATALOG OF ORIGINAL DESCRIPTIONS: Pseudoguembelitria Huber and Leckie 2011

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 -> Pseudoguembelitria
Other pages this level: << < Praeorbulina, Praeplanctonia, Praeplanctonidae, Praetenuitella, Proliferania, Prosphaeroidinella, Protentella, Protentelloides, Protoheterohelix, Pseudocaucasina, Pseudoclavihedbergella, Pseudoglobigerinella, Pseudogloboquadrina, Pseudogloborotalia, Pseudoguembelina, Pseudoguembelitria, Pseudohastigerina, Pseudohastigerinoides, Pseudomenardella, Pseudoplanomalina, Pseudoschackoina, Pseudotextularia, Pseudothalmanninella, Pseudoticinella, Pullenia, Pulleniatina, Pulvinulina, Pylodexia,

Daughter taxa: (blue => in age window 0-800Ma)
= Pseudoguembelitria blakenosensis

Pseudoguembelitria

Citation: Pseudoguembelitria Huber and Leckie 2011
Rank: Genus
Type species: Pseudoguembelitria blakenosensis Huber and Leckie 2011

Current identification/main database link: Pseudoguembelitria Huber and Leckie 2011


Original Description
Test wall microperforate with pores surrounded by small-sized perforation cones; pustules may be present in the umbilical region. Test small, with early hedbergellid stage and higher trochospire in the adult. Chambers coiled in a variable trochospire with 4.5–5.0 chambers in the initial whorl and 3–4 chambers in the final whorl. Aperture a low interiomarginal, umbilical-extraumbilical arch without periapertural structures

Etymology: The root of the Greek prefix pseudos, meaning lie or false, is added to the pre-existing genus name Guembelitria

Extra details from original publication
Remarks. Pseudoguembelitria differs from Hedbergella by having a higher trochospire, more weakly developed perforation cones on the test surface, and fewer chambers in the final whorl. It differs from Guembelitria Cushman, 1933 (late Campanian–early Paleocene) and Archaeoguembelitria Georgescu, 2009 (late Albian–early Turonian) by the early hedbergellid stage and variable trochospire, lower in the early stage and higher in the adult. It differs from Gubkinella (considered by Loeblich and Tapan [1987] to be a benthic foraminifer) in having perforation cones, more-inflated chambers, and a higher-arched aperture, and in lacking a lip.

Stratigraphic range. Upper Aptian. Geographic distribution. Found only at Blake Nose ODP Holes 1049A, 1049B, and 1049C in the subtropical western North Atlantic.

References:

Huber, B. T. & Leckie, R. M. (2011). Planktic foraminiferal species turnover across deep-sea Aptian/Albian boundary sections. Journal of Foraminiferal Research. 41: 53-95. gs


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Pseudoguembelitria compiled by the pforams@mikrotax project team viewed: 17-2-2020

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