Procytherura sp. 5

Wannenmacher, Norbert, Dietze, Volker, Franz, Matthias & Schweigert, Guenter, 2021, New records of ostracods and ammonites from the Aalenian (mainly Concavum Zone) of the Zollernalb (Swabian Alb, SW Germany), Zitteliana 95, pp. 1-55 : 6-7

Procytherura sp. 5

Fig. 10: 14

Material.

1C, 1 RV in samples He19-24-25.

Occurrence.

Upper Aalenian, Concavum Zone; SW Germany.

Description.

Very small, subtriangular outline in lateral view. Lateral surface weakly ornamented by two fine longitudinal ribs delimiting a spindle-shaped field, posteriorly rounded and anteriorly pointed. Parallel to the anterior margin there is a third, also very fine rib. Another middorsal-midanterior rib halves the acute-angled triangular field between the frontal rib and the upper longitudinal rib.

Figures

Figure 10. (1) Polycope cf. riegrafi Brand, SMNS 70521 / 62, C, right view, L: 0.345 mm; sample He 19 - 27. (2)? Liasina cylindrica Ainsworth, SMNS 70521 / 63, RV, L: 0.412 mm; sample Lin 18 - 1. (3) Cardobairdia toarcensis Ainsworth, SMNS 70521 / 64, LV, L: 545 mm; sample He 19 - 26. (4) Macrocypris? liassica Bate and Coleman, SMNS 70521 / 65, C, right view, L: 0.750 mm; sample He 19 - 27; (5) Patellacythere paravulsa cf. tenuis Brand, SMNS 70521 / 66, LV, L: 0.522 mm; sample He 19 - 27. (6) Patellacythere ungulina (Triebel and Bartenstein), SMNS 70521 / 67, LV, L: 0.405; sample Mue 19 - 1; (7) " Monoceratina " aff. posterocarinata Brand, SMNS 70521 / 68, C, right view, L: 0.324 mm; sample He 19 - 21. (8) Tanycythere posteroelongata Cabral et al., SMNS 70521 / 69, C, right view, L: 0.676 mm; He 19 - 27. (9) Cytheropterina alacostata Franz et al., SMNS 70521 / 70, LV, L: 0.368 mm; sample He 19 - 27; (10 - 13) Cytheropterina crassicostata sp. nov., (10) holotype, SMNS 70521 / 71, RV, L: 0.516 mm; sample He 19 - 27; (11) paratype, SMNS 70521 / 72, LV, L: 0.556 mm; sample He 19 - 26, (12) paratype, SMNS 70521 / 73, RV, ventral view, L: 0.557 mm; sample He 19 - 27; (13) paratype, SMNS 70521 / 74, LV, inner view, L: 0.555 mm; sample Ro 19 - 4; (14) Procytherura sp. 5, SMNS 70521 / 75, RV, L: 0.363 mm; He 19 - 24; (15) Eucytherura aff. yunga Ballent and Whatley, SMNS 70521 / 76, LV, L: 0.312 mm; sample He 19 - 27. (16) Eucytherura sp. B Boomer and Ballent, SMNS 70521 / 77, RV, L: 0.277 mm; sample He 19 - 25. (17, 18) Eucytherura sp. 10, (17) SMNS 70521 / 78, LV, L: 0.392; sample He 19 - 25, (18) SMNS 70521 / 79, RV, L: 0.278 mm; sample He 19 - 24. Achdorf Formation, Upper Aalenian, Concavum Zone. Scale bars (if not indicated otherwise): 20 μm.