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FIGURE 2. A in Rogueus belgodereae, a new raninoid crab (Crustacea: Brachyura: Raninoidea) from the Upper Palaeocene (Thanetian) of Southern France, with comments on early palaeocene decapod crustacean faunules

FIGURE 2. A, General view of Lafarge quarry, Boussens, municipality of Martres Tolosane, Haute Garonne (France), in the background, the south, with the Pyrenees. B, crab-morphotype 5 in situ, from the upper Thanetian (T4) (star). C, close-up of the extraction front of the "gres à Micraster tercensis" level, before the abandonment and renaturation of the quarry. D, Litoricola macrodactyla (Van Straelen, 1924) in situ. E, G, Rogueus belgodereae sp. nov. in situ. F, crab-morphotype 7 in situ.

FIGURE 4 in Rogueus belgodereae, a new raninoid crab (Crustacea: Brachyura: Raninoidea) from the Upper Palaeocene (Thanetian) of Southern France, with comments on early palaeocene decapod crustacean faunules

FIGURE 4. Faunal composition of the known Palaeocene brachyurans, and its distribution in reefal and nonreefal environments.

FIGURE 3. A-C Rogueus belgodereae n in Rogueus belgodereae, a new raninoid crab (Crustacea: Brachyura: Raninoidea) from the Upper Palaeocene (Thanetian) of Southern France, with comments on early palaeocene decapod crustacean faunules

FIGURE 3. A-C Rogueus belgodereae n.sp, A: holotype MNHN.F.A88045. B, paratype MNHN.F.A88046, C, paratype MNHN.F.A88047. Scale bar equals 1 cm.

Fig. 10 in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 10 - Alcespina cf. A. berglundi (Squires & Demetrion, 1992). A) partial carapace, MHN-UABCS/Ba 7-3 (x 1.5). B) sternum, MHN-UABCS/Ba 10-10 (x 1.5).

Fig. 9 in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 9 - Alcespina berglundi (Squires & Demetrion, 1992) n. comb. A) holotype, IGM 5913 (x 1.8). B) paratype, IGM 5914 (x 4.5).

Fig. 8 in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 8 - Raninoides cf. R. pliocenicus De Angeli, Garassino & Pasini, 2009 (Ciglione): A) MPOM 288 (x 4.6). B) 137M (x 4.1).

Fig. 6 - Alcespina ovadaensis n. gen., n in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 6 - Alcespina ovadaensis n. gen., n. sp., variability in the 2nd anterolateral spine. A) MPOM 1770 (x 2.5). B) MPOM 23 (x 1.7). C) MPOM 701 (x 2.2). D) MPOM 1776 (x 2.5).

Fig. 5 - Alcespina ovadaensis n. gen., n in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 5 - Alcespina ovadaensis n. gen., n. sp. A) C3 (Ponzone), right chela (x 1.3). B) MPOM 740 (Ciglione), right and partial left chela (natural size). C) MPOM 1780, male chelae (x1.1).

Fig. 4 - Alcespina ovadaensis n. gen., n. s.p in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 4 - Alcespina ovadaensis n. gen., n. s.p., RMT (Giusvalla). A)?female sternum (x1.8). B) 3rd maxilliped with endo- and exopodites (x 1.1). C) MPOM 39 (Ciglione), female somites (natural size).

Fig. 3 - Alcespina ovadaensis n. gen., n in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 3 - Alcespina ovadaensis n. gen., n. sp, MPOM 1780 (Ciglione), mature male. A) dorsal view (natural size). B) anterolateral outline (x 1). C) pleonal view (x 1.1).

Fig. 2 - Alcespina ovadaensis n. gen., n in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 2 - Alcespina ovadaensis n. gen., n. sp., carapace in dorsal view. A) holotype, MPOM 290 (Galanti, Cassinelle) (x 1.6). B) paratype, 17MT (Rio Volpina, Ponzone) (x 1.4). C) paratype, MPOM 1770 (Ciglione) (x 1.4). D) paratype, MPOM 1779 (Ponzone) (x 1.5).

Fig. 1 in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 1 - Map of studied area depicting main fossiliferous localities in Alessandria province. (after Allasinaz, 1987).

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Fig. 7 in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Fig. 7 -?Ranina bouilleana A. Milne Edwards, 1872. MNHN R03540 (x 0.9).

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FIGURE 1 in Rogueus belgodereae, a new raninoid crab (Crustacea: Brachyura: Raninoidea) from the Upper Palaeocene (Thanetian) of Southern France, with comments on early palaeocene decapod crustacean faunules

FIGURE 1. Brachyuran crabs from the Thanetian (Upper Palaeocene) of Boussens, Martres Tolosane (France). A, Cherpiocarcinus sp., MNHN.F.A89305 dorsal view. B-D, Crab-morphotype 1, MNHN.F.A89306, B: dorsal view; C: frontal view; D: left lateral view. E, F, Crab-morphotype 2, MNHN.F.A89307, E: dorsal view; F: frontal view. G, Crabmorphotype 3, MNHN.F.A89308, dorsal view. H, Crab-morphotype 4 (?Litoricola), MNHN.F.A89309, dorsal view. I, Litoricola macrodactyla (Van Straelen, 1924), MGB 69155, dorsal view. J, Litoricola macrodactyla (Van Straelen, 1924), MNHN.F.A89310, dorsal view. K, Crab-morphotype 5, MNHN.F.A89311, dorsal view. L, M, Crab-morphotype 6, MNHN.F.A89312, L: dorsal view; M: frontal view. N, O, Crab-morphotype 7, MNHN.F.A89313, N: dorsal view; O: frontal view. P, Q, Crab-morphotype 8, MNHN.F.A89314, P: dorsal view; Q: frontal view. R, S, Jakobsenius sp. MNHN.F.A89315, R: dorsal view; S: frontal view. Scale bar equal to 10 mm, except B-D, P, Q, equal to 5 mm.