Published September 22, 2021 | Version v1
Taxonomic treatment Open

Kirkbyidae Ulrich & Bassler 1906

  • 1. Centre de Recherches en Paléontologie - Paris, MNHN - SU - CNRS, 8 rue Buffon, 75005 Paris, France.
  • 2. Department of Earth and Environmental Sciences, University of Texas at Arlington, Arlington, TX 76019, USA.

Description

Kirkbyidae gen. et sp. indet.

Fig. 4J

Material examined

USA • 1 complete carapace; Guadalupe Mountains, West Texas, ‘ McKittrick Canyon’ Member, Bell Canyon Formation, MKCS1 section, sample 4 (GM5); Capitanian, Middle Permian; MNHN.F. F63374.

Remarks

This specimen shows a clear oval kirkbyan pit in the middle part of the valve. The right valve has PB and AB with a different radius of curvature, whereas they are quite equivalent in Kirkbyidae. Herein, the PB has a very small radius of curvature and AB a large one. The ornamentation is coarse.

Occurrence

Sample 4 (GM5), MKCS1 section, ‘McKittrick Canyon’ Member, Bell Canyon Formation, Guadalupe Mountains, West Texas, USA, Capitanian, Middle Permian (this work).

Notes

Published as part of Tarnac, Anaëlle, Forel, Marie-Béatrice, Nestell, Galina, Nestell, Merlynd & Crasquin, Sylvie, 2021, Middle Permian ostracods (Crustacea) from the Guadalupe Mountains, West Texas, USA, pp. 1-60 in European Journal of Taxonomy 770 on page 13, DOI: 10.5852/ejt.2021.770.1499, http://zenodo.org/record/5536263

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Linked records

Additional details

Biodiversity

Collection code
MNHN
Family
Kirkbyidae
Kingdom
Animalia
Material sample ID
MNHN.F.F63374
Order
Palaeocopida
Phylum
Arthropoda
Scientific name authorship
Ulrich & Bassler
Taxon rank
family
Taxonomic concept label
Kirkbyidae Ulrich, 1906 sec. Tarnac, Forel, Nestell, Nestell & Crasquin, 2021