Petrobrasia capivarensis Krömmelbein & Weber, 1971
Fig. 11, 10a–c
1971 Petrobrasia capivarensis n. sp. —Krömmelbein & Weber, p. 40–41, pl. 7, fig. 30.
Diagnosis: A species closely related to P. marfinensis (Krömmelbein, 1965), the type species of the genus. Carapace fairly stocky and high-backed, in lateral view with flattened flanks. Fine sculpture in the form of little ridges forming a net, distinctly prominent on the anterior, posterior and ventral carapace surface, weaker towards the middle of the valve, absent on the actual middle of the valve and in the medio-dorsal area.
Holotype: Carapace, BfB 7802.
Paratypes: Several carapaces, BfB 7803.
Dimensions: Holotype, length 0.97mm, height 0.60mm, width 0.34mm.