Trioceros cristatus ( Stutchbury, 1837 )

Sánchez-Vialas, Alberto, Calvo-Revuelta, Marta & Riva, Ignacio De La, 2022, Synopsis of the terrestrial Reptiles of Equatorial Guinea, Zootaxa 5202 (1), pp. 1-197 : 27-30

Trioceros cristatus ( Stutchbury, 1837)

Figure 4A

Chamaeleon cristatus Stutchbury, 1837: 361 . Type locality: “banks of the River Gaboon ”. Gabon River, Gabon.

Pterosaurus cristata ( Stutchbury, 1837) : Gray 1865: 349.

Trioceros cristatus ( Stutchbury, 1837) : Tilbury & Tolley 2009: 66.

Distribution. This species ranges from Nigeria to the Republic of the Congo and Central African Republic. In Equatorial Guinea it has been recorded both in Bioko ( Boulenger 1887; Bocage 1903) at Musola ( Boulenger 1906; Mertens 1941) and San Carlos ( Mertens 1964a), and in Río Muni at Cabo San Juan ( Boulenger 1905) and Monte Alén National Park ( Lasso et al. 2002), including Monte Mitra Forest ( Fa & García Yuste 2001; Gonwouo & Nsang 2005) ( Map 5A ).

Comments. Reports of harvesting over this species in Monte Mitra forests are provided by Fa & García Yuste (2001). Commonly found in Monte Alén National Park ( Lasso et al. 2002).

Specimens examined. Eighteen specimens. Equatorial Guinea, without specific locality, but likely part of the material examined by Boulenger (1905) from Cabo San Juan ( MNCN 5105–5106 ) . Río Muni: Ebebiyin, Río Muni, 1 July 1964 ( EBD 2721 ) ; Mongomo, Río Muni, 16 April 1986 ( EBD 20808–20809 ) ; Surroundings of Bata , 29 November 1985 ( EBD 20810) ; Miboman , 30 km from Bata, 14 October 1986 ( EBD 20807) ; Río Lobo , Moca, Evinayong, 24 May 1986 ( EBD 20811) ; Besabeba , 01 October 1985 ( EBD 20812) ; Asonga , Bata, 27 September 1974 ( EBD 18387) ; Colegio de la Salle, Bata, January 1965 ( EBD 2720 ) ; Movo , 28 August 1984 ( EBD 18394) ; Acurenam “Guemg”, 24 August 1984 ( EBD 18677) ; Acoaseng (not found locality), Bata, 09 July 1987 ( EBD 27489) ; from Bata to Niefang, 12 February 1988 ( EBD 27675) ; San Joaquín de Ndyiacom , 1990 ( EBD 31501_ B-9070) ; without specific locality, 1963 ( EBD 2719 ) .

Figures

FIGURE 4. Live specimens of some reptiles from Monte Alén National Park, Río Muni. A) Trioceros cristatus. B) Chamaeleo dilepis. C) Trachylepis affinis. D) Panaspis breviceps. E) Agama lebretoni. F) Pelusios gabonensis. G) Kinixis erosa, adult specimen. H) Kinixis erosa, juvenile specimen. Photos: IDlR.

MAPS 5 A–C. Distribution maps for Equatorial Guinean records of (A) Trioceros cristatus; (B) Trioceros feae; (C) Trioceros oweni.