Jenningsina catenulata

Maillet, Sebastien, Milhau, Bruno, Vreulx, Michel & Posada, Luis-Carlos Sánchez De, 2016, Givetian ostracods of the Candás Formation (Asturias, North-western Spain): taxonomy, stratigraphy, palaeoecology, relationship to global events and palaeogeographical implications, Zootaxa 4068 (1), pp. 1-78 : 40-41

Jenningsina catenulata ( Van Pelt, 1933)

(Pl. III: Fig. 1 )

1933 Graphiodactylus catenulatus nov. sp.; Van Pelt: 333–334, pl. 39, figs. 31–32. 1956 Jenningsina catenulata (Van Pelt); Stover: 1097, 1122, pl. 116, figs. 16–26.? 1963 Jenningsina cf. catenulata (Van Pelt); Le Fèvre: pl. 9, figs. 128, 144, pl. 12, figs. 178–180. 1964 Jenningsina catenulata (Van Pelt); Peterson: 859–860, pl. 134, figs. 17–18, 20, pl. 135, fig. 27, pl. 136, fig. 9.? 1964 Jenningsina sp. G1; Magne: pl. 16, 18, figs. 22, 53–54.

1965a Jenningsina cf. catenulata (Van Pelt); Becker: 410, pl. 34, fig. 7.

? 1967 Jenningsina gr. catenulata (Van Pelt); Le Fèvre: 386.

? 1971 Jenningsina cf. catenulata (Van Pelt); Le Fèvre: 822, 825, 829, pl. 4a, 5a. 1976 Jenningsina catenulata (Van Pelt); Adamczak: 363–365, pl. 19, figs. 107–112. 1982 Jenningsina aff. catenulata (Van Pelt); Milhau: 22, pl. 5, fig. 17.

1982 Jenningsina cf. catenulata (Van Pelt); Becker & Groos-Uffenorde: 311, pl. 4, fig. 8. 1985 Jenningsina catenulata (Van Pelt); Lethiers et al.: 64–65, pl. 8, fig. 15. 1988 Jenningsina catenulata (Van Pelt); Becker: 415–416, pl. 2, figs. 21–22. 1988 Jenningsina catenulata (Van Pelt); Milhau: 486, pl. 56, fig. 17.

1989 Jenningsina catenulata (Van Pelt); Becker: pl. 10, fig. 1, pl. 11, figs. 7–8. 1990 Jenningsina catenulata (Van Pelt); Casier in Casier & Préat: pl. 1, figs. 38–39. 1993 Jenningsina catenulata (Van Pelt); Kasimi: pl. 17, fig. 17.

1996 Jenningsina cf. catenulata (Van Pelt); Milhau: 74–76.

? 1996 Jenningsina cf. catenulata (Van Pelt); Casier in Casier & Préat: 372, pl. 1, fig. 6. 2004 Jenningsina catenulata (Van Pelt); Becker in Becker et al.: 56, pl. 10, fig. 7. 2009 Jenningsina aff. catenulata (Van Pelt); Maillet: 12, pl. 1, fig. 11.

2010 Jenningsina catenulata (Van Pelt); Maillet: 40, pl. 2, fig. 27.

2010a Jenningsina catenulata (Van Pelt); Casier in Casier et al.: 43, pl. 3, fig. 15. 2013 Jenningsina catenulata (Van Pelt); Maillet: 118, pl. XV, figs. 17–18.

2013b Jenningsina catenulata (Van Pelt); Maillet et al.: fig. 6K.

Material. 10 specimens (5 C, 5 V).

Diagnosis. Van Pelt (1933, p. 333) emend. Becker (1965a, p. 410).

Description. Medium-sized carapace, bean-shaped and slender posteriorly in lateral view. Slight dorsal overlap of the larger LV over the smaller RV. Hmax at 1/4 anterior; Lmax at 2/5 ventral; Wmax median. Convex arched dorsal margin. Almost straight ventral margin. Ventral and dorsal margins converging posteriorly. Well rounded anterior margin, regularly convex in the dorsal part and highly arched in the ventral part. Regularly convex posterior margin. Anterior part of the carapace higher than the posterior one. Surface finely reticulated. Longitudinal fine reticulation in the posterior part, becoming curved in the anterior part. Shoulder longing the posterior margin. Carapace flattened along the posterior margin.

Discussion. A classical species in Givetian deposits of Europe.

Occurrences. Lower to Middle Givetian (Hanonet, Terres d’Haurs and Mont d’Haurs Fms, and Fromelennes Fm, Flohimont Mb), Ardenne (Flohimont, Cul d’Houille, Resteigne, Mont d’Haurs and Aisne sections), Middle Givetian (Huergas Fm and Candás Fm, mbs A and B), Asturias (Peran-Perlora and Huergas sections) and Palencia; Givetian, Boulonnais and Morocco; Middle Devonian, USA and Poland; Lower to Middle Devonian, Eifel.

Figures

FIGURE 1. Location maps of the studied area. A. Devonian deposits cropping out in the Cantabrian Zone (adapted from García-Alcalde et al. 2012); B. Simplified geological map of the Luanco-Candás area showing the Naranco, the Candás and the Piñeres Fms (modified from García-López et al. 2002), with location of the Peran-Perlora and Carranques sections; C. Detailed location map of the Peran-Perlora section (adapted from García-López et al. 2002); D. Detailed location map of the Carranques section (adapted from Fernández et al. 1996).