Triassicindivisia Crasquin, 2011

Forel, Marie-Béatrice & Crasquin, Sylvie, 2011, In the aftermath of Permian-Triassic boundary mass-extinction: new ostracod (Crustacea) genus and species from South Tibet, Geodiversitas 33 (2), pp. 247-263 : 258

Genus Triassicindivisia Crasquin n. gen.

TYPE SPECIES. — Triassicindivisia tibetinella Crasquin n. sp. ( Fig. 5 J-M).

ETYMOLOGY. — From the similarity with the Devonian genus Indivisia Zaspelova, 1954 (in Egorov 1954).

TYPE HORIZON. — Tulong section, Southern Tibet . Sample 06Ti35, unit VI, Anisian, Middle Triassic.

DISTRIBUTION. — Middle Smithian to Early Anisian, Tulong section, Southern Tibet .

DIAGNOSIS. — A new Triassic palaeocopid genus with free margins laterally compressed, without observable sulcus, all surface smooth.

REMARKS

Triassicindivisia n. gen. is close to the Devonian Indivisia .

Figures

FIG. 5. — Specimens from Tulong section (Tibet), stored at the Pierre et Marie Curie University Collections (Paris, France): A, Bairdia balatonica Méhes, 1911, right lateral view of a complete carapace (P6M2621); B, Acratia sp. A., right lateral view of a complete carapace (P6M2622); C, Hungarella? sp., right lateral view of right valve (P6M2623); D, E, Bairdiacypris anisica Kozur, 1971; D, right