Triadogigantocypris balatonica Monostori 1991

Kornicker, Louis S., Van, Barry W. M., Bakel, Fraaije, René H. B. & Jagt, John W. M., 2006, Revision of Mesozoic Myodocopina (Ostracoda) and a new genus and species, Mesoleberis hollandica, from the Upper Cretaceous of Belgium and The Netherlands, Zootaxa 1246, pp. 15-54 : 30

Triadogigantocypris balatonica Monostori 1991

Fig. 3 A, B

Triadogigantocypris balatonica Monostori 1991:94 –95, fig. 2.— Kornicker & Sohn 2000:28.

Holotype

Steinkern deposited in the collections of the Paleontology Department of the Hungarian Natural History Museum, catalogue number M. 90.1.

Material

No material examined herein.

Type locality

Village of Va’szoly, P­11/a section (Balaton Highland, Hungary).

Stratum typicum

Bed No. 16/a (Lower Ladinian, reitzi Zone).

Distribution

Lower Ladinian, Middle Triassic, Hungary.

Diagnosis

Carapace oval in lateral view with posterior margin projecting at midheight. Carapace with rostrum; ventral margin of rostrum forms obtuse angle with anterior edge of valve ventral to rostrum. Muscle scars consisting of main cluster of 5 oblique scars anteroventral to fan of 10 scars, and about 5 short scars dorsal to main cluster. Dimensions of unique holotype: length 12 mm, height 8.7 mm.

Figures

FIGURE 3. Triadogigantocypris balatonica Monostori 1991: A, left lateral view of carapace, length 12 mm; B, detail of central muscle scars from A. Triadogigantocypris donzei (Neale 1976): C, lateral view of male carapace, length 1.065 mm; D, lateral view of female carapace, length 1.117 mm; E, central adductor muscle scars, left valve. Triadogigantocypris koninckiana (Bosquet 1847): F, G, I, lateral views of 3 right valves; H, lateral view, left valve. Triadogigantocypris ovulata (Bosquet 1847): J, left lateral view of carapace, length 1.4 mm. Triadogigantocypris limburgensis (Van Veen 1936): K, lateral view, right valve. Triadocypris spitzbergensis Weitschat 1983 a: L, lateral view of carapace, length 3.1 mm; M, central adductor muscle scars left valve. Size of specimens given if stated in original description.