Triadogigantocypris ovulata ( Bosquet 1847 )

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 : 33-34

Triadogigantocypris ovulata ( Bosquet 1847) (new combination)

Fig. 3 J

Cyprella ovulata Bosquet 1847:373 , pl.4: fig. 4a–c.— Jones 1849:3, 36 (list).— Bosquet 1854:124, 125, pl. 9: fig. 11a–c.— Jones & Kirkby 1874:12.

Cypridina ovulata ( Bosquet 1847) . — Jones 1849:3, 36. — Staring 1860:362.— Ubaghs 1879:199.— Dewalque 1880:402.— Jones & Kirkby 1874:12.— Jones 1898:342, pl. 17: fig. 3a, b.— Van Veen 1936:169.—1938:18, 19.

Monopia ovulata ( Bosquet 1847) . — Howe & Laurencich 1958:426.— Coryell 1963:584, 1035.

Holotype

?None selected.

Syntypes locality

Maastricht area, southern Limburg, The Netherlands, and adjacent Belgian territory.

Material

No material examined herein.

Diagnosis

Carapace dimensions: length 1.4 mm, height 1.2 mm. Carapace shape and ornamentation similar to that of T. koninckiana . Central adductor muscle scar area large and contains numerous horizontal scars. Surface with dashes forming in posterior half of valve.

Comparisons

The carapace of this species is more elongate than that of M. hollandica and has a pointed posterior process at midheight that is absent in the latter.

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.