Microchirus variegatus (Donovan, 1808)

Schwarzhans, Werner, 2023, Geology and stratigraphy of the Neogene section along the Oued Beth between Dar bel Hamri and El Kansera (Rharb Basin, northwestern Morocco) and its otolith-based fish fauna: a faunal inventory for the Early, Swiss Journal of Palaeontology (4) 142 (1), pp. 1-85 : 40

Microchirus variegatus (Donovan, 1808)

Figure 21i–j

1978 Microchirus variegatus (Donovan, 1808) —Nolf: pl. 7, Fig. 18 .

1989 Microchirus variegatus (Donovan, 1808) —Nolf & Cappetta: pl. 18, Fig. 18 .

2019b Microchirus variegatus (Donovan, 1808) —Agiadi et al.: Fig. 4l .

2022 Microchirus variegatus (Donovan, 1808) —van Hinsbergh & Hoedemakers: pl. 27, Figs. 13–15 .

Material 3 specimens SMF PO 101.280 , Dar bel Hamri, Zanclean .

Discussion Otoliths of M. variegatus are recognized by their rounded trinagular outline with a deep ventral rim and a shallow dorsal rim and the distinctly convex inner face. Te species has been regularly recorded from Pliocene and Pleistocene rocks of the North Sea Basin and the Mediterranean. Miocene records may represent a different species (see Schwarzhans, 1999).

Figures

Fig. 21 Soleidae and Cynoglossidae.a–d Quenselia cornuta Schwarzhans, 1999, Dar bel Hamri, Zanclean, b holotype, SMF P 9325, a, c–d paratypes, SMF P 9326. e–f Dicologlossa hexophthalma (Bennett, 1831), f SMF PO 101.232, Dar bel Hamri, e extant,Lagos fish market, Portugal. g Synaptura sp. SMF PO 101.234,Dar bel Hamri. h Synapturichthys kleini (Risso,1827), SMF PO 101.235, Dar bel Hamri. j–j Microchirus variegatus (Donovan,1808), SMF PO 101.280,Dar bel Hamri. k Vanstraelenia chirophthalma (Regan, 1915), SMF PO 101.236, Dar bel Hamri. l–o Cynoglossus obliqueventralis Schwarzhans, 1999, Dar bel Hamri,21 l holotype, SMF P 9327, m paratype,SMF P 9328, n–o newly collected specimens, SMF PO 101.281

Fig. 18 Gobiiformes. a–e Hoeseichthys brioche (Lin et al., 2015), b–e SMF PO 101.222 (b, e reversed), Dar bel Hamri, a SMF PO 101.223,Sidi Mohamed ech Chleuh. f–j Lesueurigobius stazzanensis Schwarzhnans, Agiadi & Carnevale,2020,SMF PO 101.224 (g–i reversed), Dar bel Hamri. k–m Vanneaugobius? sp., k–l SMF PO 101.225 (k reversed),Dar bel Hamri, m, refigured from Schwarzhans (2013a), dredge in the Gulf of Guinea, 04°40’N, 08°54’W

Fig. 4 Schematized outcrop-section along the Oued Beth right river bank based on studied sections

Fig. 13 Myctophidae. a–c Diaphus draconis Schwarzhans, 2013, SMF PO 101.200 (c reversed), Kef Nsour,Messinian.d–j Diaphus maghrebensis n. sp. f holotype, SMF PO 101.201, Dar bel Hamri,Zanclean, paratypes, h–j SMF PO 101.202 (h, j reversed), Dar bel Hamri, Zanclean, e SMF PO 101.203 (reversed),Kef Nsour, Messinian, d, g SMF PO 101.204, Sidi Mohamed ech Chleuh, Zanclean. k–m, Diaphus taaningi Norman, 1930, extant, k–l MCZ 150978, 36°17’N, 74°49’W, 13 m refigured from Schwarzhans (2013b), dredge in the Gulf of Guinea, 00°20’S, 08°46’E

Fig. 14 Gadiformes.a–c Physiculus sp. SMF PO 101.205,Dar bel Hamri. d, Bregmaceros sp. SMF PO 101.206, Dar bel Hamri. e, Nezumia ornata (Bassoli, 1906), SMF PO 101.207 (reversed),Dar bel Hamri. f, Trachyrincus scabrus (Rafinesque, 1810), SMF PO 101.275, Dar bel Hamri. g, Merluccius merluccius (Linnaeus, 1758), extant (reversed), Marmara Sea,Turkey. h, Merluccius senegalensis Cadenat, 1950, extant (reversed), CAS 235494, 14°14’N, 17°32’W. i, Merluccius polli Cadenat, 1950, extant, CAS 235466,13°53’N, 17°34’W.j–l, Merluccius polli Cadenat, 1950, SMF PO 101.209 (l reversed), Dar bel Hamri, Zanclean. m–p, Paratrisopterus glaber Schwarzhans,2010, SMF PO 210, Dar bel Hamri

Fig. 15 Ophidiiformes. a Carapus acus (BrÜnnich, 1768), SMF PO 101.211, Dar bel Hamri. b–d, Echiodon dentatus (Cuvier,1829), b, c SMF PO 101.212, Dar bel Hamri, d SMF PO 101.213 (reversed), Sidi Mohamed ech Chleuh. e, Echiodon dentatus, extant, ICM-O 258.6,off Tarragona.f–i, Echiodon praeimberbis (Weiler, 1971), SMF PO 101.214 (g, h reversed), Dar bel Hamri. j–k, Echiodon sp., Holocene dredge samples off Guinea (15j) and Nigeria (k), refigured from Schwarzhans (2013a)