Fabalicypris acetalata ( Coryell & Billings, 1932 )

Tarnac, Anaëlle, Forel, Marie-Béatrice, Nestell, Galina, Nestell, Merlynd & Crasquin, Sylvie, 2021, Middle Permian ostracods (Crustacea) from the Guadalupe Mountains, West Texas, USA, European Journal of Taxonomy 770, pp. 1-60 : 32

Fabalicypris acetalata ( Coryell & Billings, 1932)

Fig. 8I–J

Bairdia acetalata Coryell & Billings, 1932: 173 , pl. 17 fig. 5.

Fabalicypris acetalata – Sohn 1960 (with all previous synonymy therein): 62.

Material examined

USA • 1 complete carapace; Guadalupe Mountains , West Texas, Williams Ranch Member , Cutoff Formation , Quarry section, sample GM1; Roadian, Middle Permian; MNHN.F. F63427 • 1 right valve; same locality as for preceding but sample GM4; Roadian, Middle Permian; MNHN.F. F63428 • 9 valves; same locality as for preceding but samples GM1, GM2, and GM4; Roadian, Middle Permian; MNHN.F. F63493 .

Occurrence

Kansas, Texas, Illinois, USA, Pennsylvanian ( Coryell & Billings 1932; Sohn 1960); Nebraska, USA, Permian ( Sohn 1960); samples GM1, GM2, and GM4, Quarry section, Williams Ranch Member, Cutoff Formation, Guadalupe Mountains, West Texas, USA, Roadian, Middle Permian (this work).

Figures

Fig. 8 (next page). SEM micrographs of ostracods from the Middle Permian (Roadian, Quarry section, samples GM1 and GM4; Capitanian, MKCS1 section, samples 4 (GM5) and 2 (GM6)) of the Guadalupe Mountains (West Texas, USA). All specimens are temporarily housed in the collections of the Muséum national d’histoire naturelle, Paris, France (MNHN). A–B. Bairdia elcapitanensis Forel sp. nov. A. External view of a right valve, sample GM1 (MNHN.F.F63419). B. Holotype, external view of a right valve, sample GM1 (MNHN.F.F63420). – C. Bairdia cf. postacuta Chen, 1958, right lateral view of a carapace, sample GM1 (MNHN.F.F63421). – D. Bairdia sp. A, right lateral view of a carapace, sample GM1 (MNHN.F.F63422). – E. Bairdia sp. B, right lateral view of a carapace, sample GM1 (MNHN.F.F63423). –F. Bairdia sp. C, right lateral view of a carapace, sample GM1 (MNHN.F.F63424) – G. Bairdiacypris sp. B, right lateral view of a carapace, sample 2 (GM6) (MNHN.F.F63425). – H. Bairdiacypris sp. C, right lateral view of a carapace, sample GM1 (MNHN.F.F63426). – I–J. Fabalicypris acetalata (Coryell & Billings, 1932). I. Right lateral view of a carapace, sample GM1 (MNHN.F.F63427). J. External right of a right valve, sample GM4 (MNHN.F.F63428). – K. Fabalicypris glennensis (Harlton, 1927), right lateral view of a carapace, sample 4 (GM5) (MNHN.F.F63429). – L. Fabalicypris sp., right lateral view of a carapace, sample GM4 (MNHN.F.F63430). – M–N. Orthobairdia texana (Harlton, 1927). M. External right of a right valve, sample 4 (GM5) (MNHN.F.F63431).N. External view of a right valve, sample GM1 (MNHN.F.F63432). – O–R. Ceratobairdia mescaleroella Forel sp. nov. O. Holotype, adult, external view of a left valve, sample 4 (GM5) (MNHN.F.F63433). P. A-1, external view of a left valve, sample 4 (GM5) (MNHN.F.F63434). Q. Paratype, A-1, external view of a left valve, sample 4 (GM5) (MNHN.F.F63435). R. A-1, external view of a left valve, sample 4 (GM5) (MNHN.F.F63436). Scale bars: 100 µm.