Gonionotophis brussauxi (MOCQUARD, 1889)
Can you confirm these amateur observations of Gonionotophis brussauxi?
|Higher Taxa||Lamprophiidae, Colubroidea, Alethinophidia, Serpentes, Squamata (snakes)|
|Subspecies||Gonionotophis brussauxi brussauxi (MOCQUARD 1889)|
Gonionotophis brussauxi prigoginei LAURENT 1956
|Common Names||E: Brussaux’s File Snake, Mocquard's African Ground Snake|
|Synonym||Gonionotus brussauxi MOCQUARD 1889: 146|
Gonionotus vossi BOETTGER 1892: 417 (fide MERTENS 1967)
Gonyonotus [sic] Brussauxi — BOULENGER 1891: 345
Gonionotophis brussauxi — BOULENGER 1893: 323
Gonionotophis vossi — BOULENGER 1893: 323
Goniotophis [sic] brussauxi — BROADLEY 1998
Gonionotophis brussauxi — PAUWELS et al. 2002
Gonionotophis brussauxi — WALLACH et al. 2014: 309
Gonionotophis brussauxi — SPAWLS et al. 2018: 406
Gonionotophis brussauxi — BROADLEY et al. 2018
Gonionotophis brussauxi prigoginei LAURENT 1956
Gonionotophis brussauxi prigoginei LAURENT 1956: 107
Gonionotophis brussauxi prigoginei — LAURENT 1958: 121
Gonionotophis brussauxi prigoginei — WELCH 1982: 161
|Distribution||Cameroon, C/E Democratic Republic of the Congo (Zaire), Congo (Brazzaville), Gabon (Pauwels et al. 2006), Angola, W Uganda|
Type locality: Loudinia-Niari, Congo [francais]
prigoginei: Democratic Republic of the Congo (Zaire); Type locality: Kamituga, 1000 m [elevation], Terr. de Mwenga, Kivu
|Types||Holotype: MNHN-RA 1890.0054|
Holotype: RMCA (= MRAC = RGMC) 16443, female [prigoginei]
|Diagnosis||Diagnosis (genus): A distinctive African genuswidely distributed in sub-Saharan regions, diagnosed by the fol-lowing combination of characters: body sub-triangular (formerMehelya) or roughly cylindrical, moderately to markedly elongated,and tail moderate to long; head moderate, broad and substantiallyflattened, sharply distinct from neck; snout broadly rounded;nostril enlarged; eye moderate to small, very heavily pigmented,with vertically elliptical or sub-circular pupil; midbody scale rows15–21, vertebral row enlarged and bicarinate; dorsal scalesstrongly keeled (smooth in stenophthalmus), without apical pits; ventrals 147–268, lateral keel present (former Mehelya) or absent; subcaudals paired, 36–124; anal entire; two distinct maxillary conditions: (1, former Mehelya) maxilla with 6–10 teeth increasing in size posteriorly, followed after a short diastema by 11–26 smaller, subequal teeth; (2) maxilla with 24–38 teeth, slightly longer anteriorly, diastema absent; hemipenis minimally to very deeply forked, variable morphology; sulcus centrifugal and divided (Loveridge, 1939; Bogert, 1940; Broadley, 1990; Branch, 1998; Chippaux, 2001).|
Revised generic description: Maxillary teeth 26, slightly longer anteriorly, continuous without a diastema (Loveridge 1939). Body cylindrical, moderately elongated, and tail moderate; head substantially flattened, scarcely distinct from neck; snout broadly rounded; nostril enlarged; eye small, with vertically elliptical pupil; preocular present or absent; midbody scale rows 15–23, vertebral row enlarged and bicarinate; dorsal scales strongly keeled without apical pits; ventrals 162–187, rounded or obtusely angulate laterally; subcaudals paired, 67–96; anal entire. Hypapophyses developed throughout the vertebral column. Hemipenis not bifurcated, extending to subcaudal scale 5–6. Sequence divergence between Gonionotophis and other file snake genera ranges from 4.8–5.4% for 16S, 8.6–11.9% for cyt b, and 0.6–1.3% for c-mos. Gonionotophis forms a polytomy with Mehelya and Gracililima (Broadley et al. 2018).
|Comment||Synonymy: Not listed in SCHMIDT 1919. Gonionotophis brussauxi prigoginei fide Jirka Schmidt (pers. comm.). Heterolepis platycephala MATSCHIE 1893 was mentioned in a previous edition of this database but turned out to be an unpublished label name (J. Hallermann, pers. comm., 8 Nov 2016). Gonionotus, is preoccupied by Gonionotus Gray, 1846 [snakes], and Gonionotus Marshall, 1868 [Hemiptera]).|
Distribution: Has been erroneously listed for Benin but does not occur there (Hughes 2013).
Type species: Gonionotus brussauxi MOCQUARD 1889 is the type species of the genus Gonionotophis BOULENGER 1893. Gonionotophis is a substitute name for Gonionotus which is pre-occupied by Gonionotus GRAY 1846 (snakes) and Gonionotus MARSHALL 1868 (hemiptera). Simocephalus GÜNTHER 1858 is pre-occupied by Simocephalus SCHOEDLER 1858 (crustacea). According to other sources Heterolepis capensis SMITH 1847: 55 is the type species of the genus Gonionotophis CSIKI 1903.
|Etymology||Named after Eugene Brussaux, an anthropologist who was active in West and Central Africa in the late 19th and early 20th centuries.|
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