Staurotypinae

The Staurotypinae are a subfamily of the family Kinosternidae of aquatic turtles, which contains the genera Claudius and Staurotypus.

Staurotypinae
The giant musk turtle
Staurotypus salvinii
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Cryptodira
Family: Kinosternidae
Subfamily: Staurotypinae
Gray, 1869[1]

Staurotypus exhibits XX/XY sex determination, in contrast to the temperature-dependent sex determination of most turtles.[2] Although the exact mechanism of sex determination in Claudius is unknown, it is known to be genetically determined; it is suspected that it exhibits XX/XY sex determination as well.[3]

Genera

References
  1. Turtles of the World: Annotated Checklist of Taxonomy and Synonymy, 2009 Update.
  2. Badenhorst, Daleen; Stanyon, Roscoe; Engstrom, Tag; Valenzuela, Nicole (2013-04-01). "A ZZ/ZW microchromosome system in the spiny softshell turtle, Apalone spinifera, reveals an intriguing sex chromosome conservation in Trionychidae". Chromosome Research. 21 (2): 137–147. doi:10.1007/s10577-013-9343-2. ISSN 1573-6849. PMID 23512312. S2CID 14434440.
  3. Kawagoshi, Taiki; Uno, Yoshinobu; Nishida, Chizuko; Matsuda, Yoichi (2014-08-14). "The Staurotypus Turtles and Aves Share the Same Origin of Sex Chromosomes but Evolved Different Types of Heterogametic Sex Determination". PLOS ONE. 9 (8): e105315. doi:10.1371/journal.pone.0105315. ISSN 1932-6203. PMC 4133349. PMID 25121779.
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