Kirkbyidae Ulrich & Bassler 1906
Creators
- 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
Files
Files
(1.1 kB)
Name | Size | Download all |
---|---|---|
md5:64e46d471048fa49ed8a20fd334ef366
|
1.1 kB | Download |
System files
(12.3 kB)
Name | Size | Download all |
---|---|---|
md5:751d7c8c879947cdc7b92b6e1a79f18a
|
12.3 kB | Download |
Linked records
Additional details
Identifiers
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