Propristis schweinfurthi Dames, 1883

Zouhri, Samir, Gingerich, Philip D., Khalloufi, Bouziane, Bourdon, Estelle, Adnet, Sylvain, Jouve, Stéphane, Elboudali, Najia, Amane, Ayoub, Rage, Jean-Claude & Tabuce, Rodolphe, 2021, Middle Eocene vertebrate fauna from the Aridal Formation, Sabkha of Gueran, southwestern Morocco, Geodiversitas 43 (5), pp. 121-150 : 129

Propristis schweinfurthi Dames, 1883

EXAMINED MATERIAL. — Five rostral denticles, figured material includes FSAC Bouj-348.

DESCRIPTION AND REMARKS

Propristis schweinfurthi ( Fig. 4J ) is a rare but widespread sawfish, and is easily distinguishable from all the other fossil or living Pristidae , Pristis cf. lathami included, by short and rounded rostral teeth without posterior barbs ( Fig. 4J ). This species is known in the middle to late Eocene of the Neotethysian realm from Caribbean ( Case 1981; Case & Borodin 2000; Cappetta & Stringer 2002) to Egypt ( Case & Cappetta 1990; Strougo et al. 2007; Underwood et al. 2011) and Atlantic coasts (e.g., White 1926; Dartevelle & Casier 1959; Cappetta & Traverse 1988).

Figures

FIG. 4. — Elasmobranchii from Sabkha of Gueran collected around the Archaeocete whale carcasses.A-C, Physogaleus sp.: A, FSAC Bouj-340 anterolateral tooth (A1) labial and (A2) lingual views; B, FSAC Bouj-341 more anterolateral tooth in (B1) labial and (B2) lingual views; C, FSAC Bouj-342 lateral tooth in (C1) labial and (C2) lingual views; D, FSAC Bouj-343 Hemipristis curvatus lateral upper tooth in (D1) labial and (D2) lingual views; E, F, FSAC Bouj-344 Abdounia sp. lateral teeth in labial (E1, F1) and lingual (E2, F2) views; G-I, Cf. Carcharhinus sp.: G, FSAC Bouj-345 lateral upper tooth in (G1) labial and (G2) lingual views; H, FSAC Bouj-346 lateral lower tooth (H1) labial and (H2) lingual views; I, FSAC Bouj-347 anterior lower tooth in (I1) labial and (I2) lingual views. J, Propristis schweinfurthi FSAC Bouj-348 rostral “tooth” in (J1) dorsal and (J2) lateral views. Scale bars: 10 mm.