Phelsuma cepediana (MILBERT, 1812)
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Higher Taxa | Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) |
Subspecies | |
Common Names | E: Bluetail Day Gecko G: Blauschwanz-Taggecko |
Synonym | Gecko cepedianus MILBERT 1812: 261 (fide PASTEUR & BOUR 1992) Gecko cepedeanus — CUVIER 1817 Gecko cepedianus MERREM 1820: 43 (fide ANGEL 1942) Phelsuma crepidianus — GRAY 1825: 199 (in error) Phelsuma ornatum GRAY 1825: 199 (fide MERTENS 1962) Anoplopus cepedeanus — WAGLER 1830: 142 Platydactylus Cepedianus — GEOFFROY-ST HILAIRE 1833 Platydactylus Cepedianus — DUMÉRIL & BIBRON 1836: 301 Phelsuma trilineatum GRAY 1842 Phelsuma cepedianum — BOULENGER 1885: 211 Phelsuma trilineatum — BOULENGER 1885: 212 Phelsuma cepedianum — ANGEL 1942: 29 Phelsuma cepediana — MERTENS 1962: 92 Phelsuma trilineata — MERTENS 1962: 113 Phelsuma cepediana — WERMUTH 1965: 127 Phelsuma trilineata — RAXWORTHY & NUSSBAUM 1993 Phelsuma cepediana — KLUGE 1993 Phelsuma cepediana — GLAW & VENCES 1994: 297 Phelsuma cepediana — RÖSLER 2000: 101 Phelsuma cepediana — BERGHOF 2005: 93 Phelsuma cepediana — HALLMANN et al. 2008: 100 Phelsuma cepediana — GLAW & RÖSLER 2015 |
Distribution | Mascarene Islands: Mauritius; introduced to Rodrigues (fide Glaw, pers. comm.); Madagascar (introduced at Ivoloina) Type locality: “Insula Franciae” = Mauritius. |
Reproduction | oviparous |
Types | Type: BMNH 1946.8.30.87 (and possibly additional specimens). Holotype: BMNH 1946.8.26.32 [trilineata] |
Diagnosis | Diagnosis (genus): Phelsuma species are extremely variable in size, ranging from 30–133 mm in maximum SVL (maximum SVL of the recently extinct species P. gigas was at least 190 mm, and potentially 250 mm). They are moderate in body form, not particularly bulky or gracile, and only moderately depressed in shape. As in all gekkonids, eyelids do not function. Most Phelsuma are brightly colored in vibrant green, but others are grayish or brownish. Additional patterning, sometimes in bright reds, is also usually present. Phelsuma can be distinguished from other geckos by the following combination of characteristics: hyoid with second ceratobranchial cartilages; 13–14 scleral ossicles; stapedial foramen present; frontal usually paired; parietal fused; cloacal bones present; phalangeal formula 2-3-4-5-3/2-3-4-5-4 (manus/pes); paraphalangeal elements absent; eye with round pupil; digits free, dilated throughout, with undivided adhesive lamellae; claws absent or vestigial; digit I underdeveloped; dorsal scalation consists of small, smooth or keeled granules; preanal pores present; tail long, thick, tapering, may be depressed; females lay two hard-shelled eggs (Loveridge 1942, Loveridge 1947, Kluge 1967, Russell and Bauer 2008, Rocha et al. 2010). Additional details (246 characters) are available for collaborators and contributors. Please contact us for details. |
Comment | Distribution: Only few records from Madagascar which need confirmation. Phelsuma cepediana may have been introduced to Madagascar from Mauritius. Authorship: Most authors give the author as MERREM 1820, some as MILBERT 1812 (GLAW, pers. comm.). Member of the Phelsuma modesta (phenetic) group (GLAW, VENCES & ZIEGLER 1999). Synonymy: Gray in Ellis 1840: 42 used the name Anoplus in a list of “Geckotidae” of the British Museum. We follow Romer 1956: 542 in considering this name as a misspelled version of Anoplopus WAGLER 1830. Given that Gray didn’t provide any details Rösler et al. 2018 (forthcoming) consider it as a nomen nudum. Type species: Phelsuma crepidianus GRAY 1825 is the type species of the genus Phelsuma GRAY 1825: 199. |
Etymology | Named after French zoologist B. Lacépède. The genus was most likely named afer Murk van Phelsum (1732-1779), a Dutch physician, to whom Gray refers to in other papers, but not in the paper in which he described Phelsuma. The gender of the genus Phelsuma was treated as feminine until Kluge (2001) erroneously re-introduced the original neuter form (for “andamanense”) without justification. |
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