Myriopholis longicauda (PETERS, 1854)
Can you confirm these amateur observations of Myriopholis longicauda?
|Higher Taxa||Leptotyphlopidae, Leptotyphlopinae, Myriopholini, Typhlopoidea, Serpentes, Squamata (snakes)|
|Common Names||Long-tailed Thread Snake|
|Synonym||Stenostoma longicaudum PETERS 1854: 621|
Glauconia longicauda - BOULENGER 1890
Glauconia longicauda — BOULENGER 1893: 66
Glauconia fiechteri SCORTECCI 1929: 266
Glauconia brevirostralis FITZSIMONS 1930: 38
Leptotyphlops fiechteri — PARKER 1932: 214
Leptotyphlops longicauda - LOVERIDGE 1953: 247
Leptotyphlops longicaudus — AUERBACH 1987: 149
Leptotyphlops longicaudus — MCDIARMID, CAMPBELL & TOURÉ 1999: 34
Myriopholis longicauda — ADALSTEINSSON, BRANCH, TRAPE, VITT & HEDGES 2009
Myriopholis longicaudus — BROADLEY & BLAYLOCK 2013
Myriopholis longicauda — WALLACH et al. 2014: 463
|Distribution||S Somalia, Kenya, Tanzania, Mozambique, NE Republic of South Africa (Transvaal, Swaziland), Zimbabwe, E Botswana, Zambia|
Type locality: “Tete” [Mozambique] Map legend:
- Region according to the TDWG standard, not a precise distribution map.
NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
|Types||Holotype: ZMB 4827|
|Comment||The primitive members of the longicaudus species group are characterised by an elongate skull with a postparietal bone separating the supraoccipitals, paired parietal bones more or less separated and sometimes the frontals also. There is a |
discrete frontal shield, a small anterior supralabial, a moderate posterior supralabial, a semilunate cloacal shield, a small apical spine, and brown dorsal pigmentation, paler below.
Leptotyphlops longicaudus of southeastern Africa seems to be the most basal species, followed by the easternmost representative of the group, L. blanfordii, inhabiting southwestern Iran, eastern Afghanistan, Pakistan and northwestern India (Hahn, 1978). In the remaining eastern members of the group the frontal and
parietal bones are widely separated and the roof of the braincase is unossified (the L. cairi complex).
Type species: Stenostoma longicaudum PETERS 1854 is the type species of the genus Myriopholis Hedges, Adalsteinsson, & Branch 2009.
Synonymy: Kaiser et al. 2013 rejected the (sub-) generic names Longinidis Hoser 2012, Scanlonus Hoser 2012 invalid and rejected their use instead of Myriopholis.
Diagnosis. Species of Myriopholini and Myriopholis have 14 midbody scale rows, 10–12 midtail scale rows, 165–558 middorsal scale rows, 25–58 subcaudals, two supralabials (three in M. dissimilis), a small anterior supralabial (moderate in M. narirostris), 103–293 mm maximum adult total length, a body shape of 27–138 (total length/width), a relative tail length of 5.7–18.9 %, a tail shape of 5.0–11.7, no striped pattern, and usually a pale brown dorsum and white venter (Table 2). Members of this genus and tribe can be distinguished from the two other tribes in the subfamily Leptotyphlopinae by the presence of a higher average number of middorsal scales (165–558 versus 171–387) and subcaudals (25–58 versus 12–44). Also, members of the tribe usually have a white venter and semilunate cloacal shield whereas members of the Tribe Leptotyphlopini usually have a brown or pale brown venter and a heart-shaped or subtriangular cloacal shield (see fig. 2 in Broadley & Wallach, 2007). Members of the Tribe Myriopholini also can be distinguished from the Tribe Epacrophini by the presence of a small anterior supralabial (moderate in size in Epacrophini). The support for this group was 100% BP and 100% PP for the four-gene tree (Fig. 3) and 100% BP and 100% PP for the nine-gene tree (Fig. 4). [from ADALSTEINSSON et al. 2009].
|Etymology||Etymology (genus): The generic name is feminine and derived from the Greek adjective myrios (many, countless) and Greek noun pholis (scale), in allusion to the high number of middorsal and subcaudal scales typical of species in this genus.|
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