Dibamus tebal DAS & LIM, 2009
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Dibamus tebal
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| Higher Taxa | Dibamidae, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | |
| Synonym | Dibamus tebal DAS & LIM 2009: 16 Dibamus novae-guineae — DE ROOIJ 1922 Dibamus tebal — NEANG et al. 2011 Dibamus tebal — QUAH et al. 2017 Dibamus tebal — KLIUKIN et al. 2024 |
| Distribution | Indonesia (Pulau Simeuleu, Mentawai Archipelago) Type locality: Sinabang (02º28’60"N, 96º22’60"E; 0 m elevation), Pulau Simeuleu, Daerah Istimewah Aceh Propinsi, Republic of Indonesia. |
| Reproduction | |
| Types | Holotype: ZMA.RENA 15500, adult male |
| Diagnosis | Diagnosis: A mid-sized (SVL 133.5 mm) species of Dibamus, with relatively robust body (body width 4.9% SVL), separable from congeners using the following combination of characters: postoculars two; scales around neck 24; scales around midbody 24; scales around vent 15; ventrals 186; subcaudals 42; frontonasal single; rostral suture incomplete; labial and nasals sutures complete; two pairs of preanal pores; single tibial pore located between two scales on inner distal end of each hind limb; nuchal collar or body band absent; presacral vertebrae 119; postsacral vertebrae 26; and a relatively long tail (18.7% SVL). In showing two postoculars, the new species differs from D. bogadeki Darevsky, 1992 (Hong Kong, eastern China), D. booliati Das and Yaakob, 2003 (northern Malay Peninsula), D. bourreti Angel, 1935 (Tam Dao, Vietnam), D. deharvengi Ineich, 1999 (Binh Châu, Vietnam), D. greeri Darevsky, 1992 (Vietnam), D. leucurus (Bleeker, 1860; Sumatra, Borneo, and possibly islands of southern Philippines), D. montanus Smith, 1921 (Le Bosquet, Langbian Plateau, Vietnam), D. somsaki Honda et al., 1997 (Khao Soi Dao National Park, Chanthaburi Province, Thailand) and D. tiomanensis Diaz et al., 2004 (Pulau Tioman, Pahang, Malaysia), all of which have a single postocular. The complete and separate rostral suture distinguishes it from D. dezwaani Das & Lim, 2005 (Pulau Nias, Indonesia). The complete nasal suture separates the new species from D. smithi Greer, 1985 (Daban, Langbian Plateau, Vietnam) and D. vorisi Das and Lim, 2003 (Borneo), both of which show reduced nasal sutures. Finally, the contact of the first infralabial with three scales differentiates it from Dibamus novaeguineae Duméril and Bibron, 1839 (western New Guinea), D. nicobaricum (Fitzinger in Steindachner, 1867) (Nicobar Archipelago, India), D. taylori Greer, 1985 (Sumba, Flores, Wetar and Lombok), D. ingeri Das and Lim, 2003 (Borneo), D. kondaoensis Honda et al., 2001 (Kondao Island, Vietnam), D. celebensis Schlegel, 1858 (Sulawesi, eastern Indonesia) and D. seramensis Greer, 1985 (Seram, Makulu, eastern Indonesia), all of which have a single scale bounding Infralabial I. In showing a thick body, at ca. 5% SVL, the new species can be differentiated from congeners, which show a range of 2.4–4.4%, except D. greeri (Darevsky, 1992; Das, unpubl.). (Das & Lim 2009) Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 3199 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | This species has been previously assigned to D. novaeguineae by de Rooij (1922). Dibamus tebal sp. nov. differs from all congeners in showing the following combination of characters: SVL 133.5 mm, body relatively robust, body width 4.9% SVL, postoculars two, midbody scale rows 24, scales around neck 24, scales around vent 15, ventrals 186, subcaudals 42, frontonasal entire, rostral suture incomplete, labial and nasal sutures complete, two pairs of preanal pores, nuchal collar or body band absent, presacral vertebrae 119, postsacral vertebrae 26, and a relatively long tail (18.6% SVL). Abundance: only known from the type locality (Meiri et al. 2017). |
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