Eutropis Beddomii
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''Eutropis'' is a
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
skink Skinks are a type of lizard belonging to the family (biology), family Scincidae, a family in the Taxonomic rank, infraorder Scincomorpha. With more than 1,500 described species across 100 different taxonomic genera, the family Scincidae is one o ...
s belonging to the
subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end botanical subfamily names with "-oideae", and zo ...
Mabuyinae Mabuyinae is a subfamily of lizards, commonly known as skinks, within the family Scincidae. The genera in this subfamily were previously found to belong the '' Mabuya'' group in the large subfamily Lygosominae. They have a pantropical distri ...
. For long, this genus was included in the "
wastebin taxon Wastebasket taxon (also called a wastebin taxon, dustbin taxon or catch-all taxon) is a term used by some taxonomists to refer to a taxon that has the purpose of classifying organisms that do not fit anywhere else. They are typically defined by e ...
" ''
Mabuya ''Mabuya'' is a genus of long-tailed skinks, lizards in the family Scincidae. The genus is restricted to species from various Caribbean islands. Out of 26 recognized species, six species are only found in Caribbean islands. Species in the genus ...
''; it contains the
Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...
n mabuyas. They often share their
habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...
with the related
common skink Common may refer to: As an Irish surname, it is anglicised from Irish Gaelic surname Ó Comáin. Places * Common, a townland in County Tyrone, Northern Ireland * Boston Common, a central public park in Boston, Massachusetts * Cambridge Commo ...
s (''
Sphenomorphus The genus ''Sphenomorphus'' – vernacularly also known as the common skinks – currently serves as a "wastebin taxon" for numerous skinks. While most or all species presently placed here are probably rather close relatives, the genus ...
''), but they do not compete significantly as their
ecological niche In ecology, a niche is the match of a species to a specific environmental condition. Three variants of ecological niche are described by It describes how an organism or population responds to the distribution of Resource (biology), resources an ...
s differ.Cyberlizards (2004): The Scincidae â€
''Eutropis''
Version of February 29, 2004. Retrieved March 18, 2009.
This genus also contains the only member of the subfamily to occur in
Australasia Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different context ...
, the many-lined sun skink (''Eutropis multifasciata''), whose wide range includes
New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...
.


Description

They are mid-sized to largish
lizard Lizard is the common name used for all Squamata, squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most Island#Oceanic isla ...
s with cylindrical bodies, tails of medium length, and well-developed arms and legs; the hands and feet have 5 toes each. Their
cycloid scale A fish scale is a small rigid plate that grows out of the skin of a fish. The skin of most jawed fishes is covered with these protective scale (zoology), scales, which can also provide effective Underwater camouflage, camouflage through the us ...
s are underlaid by
osteoderm Osteoderms are bony deposits forming scales, plates, or other structures based in the dermis. Osteoderms are found in many groups of extant and extinct reptiles and amphibians, including lizards, crocodilians, frogs, temnospondyls (extinct amph ...
s; the scales on the back and belly are similar in shape, but those on the back are keeled. The scales on the top of the head are generally flat and subimbricate; they have a pair of
supranasal In reptiles, the nasal scale refers to the scale that encloses the nostril. Mallow D, Ludwig D, Nilson G (2003). ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. . Somet ...
scales and the frontoparietal and
prefrontal scale The prefrontal scales on snakes and other reptiles are the scales adjacent and anterior to the frontal, towards the tip of the snout, which are also in contact with the internasals. See also * Snake scales * Scale (zoology) In zoology, a sc ...
s are paired or fused. The second
supraocular In scaled reptiles, supraocular scales are (enlarged) scales on the crown immediately above the eye.Mallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. ...
scale is the hindmost one that contacts the
frontal scale Frontal scale refers to the scale of a reptile which lies on the top of the head in the region between the eyes. This is analogous to the frontal bone of a human which corresponds to the forehead. Snake scales adjacent to the frontal and to its ...
, and the tertiary
temporal scale In reptiles, the temporal scales are located on the side of the head between the parietal scales and the supralabial scales, and behind the postocular scales.U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications ...
extends forward to separate the secondary temporal scales. The
nasal scale In reptiles, the nasal scale refers to the scale that encloses the nostril. Mallow D, Ludwig D, Nilson G (2003). ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. . Somet ...
is undivided. ''Eutropis'' mabuyas have 26 presacral
vertebra Each vertebra (: vertebrae) is an irregular bone with a complex structure composed of bone and some hyaline cartilage, that make up the vertebral column or spine, of vertebrates. The proportions of the vertebrae differ according to their spina ...
e. Their
palatine bone In anatomy, the palatine bones (; derived from the Latin ''palatum'') are two irregular bones of the facial skeleton in many animal species, located above the uvula in the throat. Together with the maxilla, they comprise the hard palate. Stru ...
s are in contact with the
median The median of a set of numbers is the value separating the higher half from the lower half of a Sample (statistics), data sample, a statistical population, population, or a probability distribution. For a data set, it may be thought of as the “ ...
; the deep
sphenopalatine notch The sphenopalatine foramen is a foramen of the skull that connects the nasal cavity and the pterygopalatine fossa. It gives passage to the sphenopalatine artery, nasopalatine nerve, and the superior nasal nerve (all passing from the pterygopalatine ...
separates the
pterygoid Pterygoid, from the Greek for 'winglike', may refer to: * Pterygoid bone, a bone of the palate of many vertebrates * Pterygoid processes of the sphenoid bone ** Lateral pterygoid plate ** Medial pterygoid plate * Lateral pterygoid muscle * Medial ...
s and extends forwards to between the centre of the eyes. The fairly small teeth are
pleurodont Pleurodont is a form of tooth implantation common in reptiles of the order Squamata, as well as in at least one temnospondyl Temnospondyli (from Greek language, Greek τέμνειν, ''temnein'' 'to cut' and σπόνδυλος, ''spondylos'' 've ...
, and the pterygopid always bears teeth. The
ear In vertebrates, an ear is the organ that enables hearing and (in mammals) body balance using the vestibular system. In humans, the ear is described as having three parts: the outer ear, the middle ear and the inner ear. The outer ear co ...
opening is small, and the
eardrum In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear. Its function is to transmit changes in pres ...
s are hidden in a moderately deep
ear canal The ear canal (external acoustic meatus, external auditory meatus, EAM) is a pathway running from the outer ear to the middle ear. The adult human ear canal extends from the auricle to the eardrum and is about in length and in diameter. S ...
.


Species

''Eutropis'' includes the following species:"''Eutropis'' "
The Reptile Database. www.reptile-database.org.
*'' Eutropis alcalai'' *''
Eutropis allapallensis ''Eutropis allapallensis'', the Allapalli grass skink or Schmidt's mabuya, is a species of skink endemic to India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by are ...
'' – Allapalli grass skink, Schmidt's mabuya *''
Eutropis andamanensis The Andaman Islands grass skink (''Eutropis andamanensis'') is a species of skink Skinks are a type of lizard belonging to the family (biology), family Scincidae, a family in the Taxonomic rank, infraorder Scincomorpha. With more than 1,500 d ...
'' – Andaman Islands grass skink *''
Eutropis ashwamedhi ''Eutropis ashwamedhi'', also known commonly as the Ashwamedh supple skink or Ashwamedha writhing skink, is a species of lizard in the family Scincidae. The species is endemic to India. Geographic range ''E. ashwamedhi'' is found in the Indian ...
'' – Ashwamedh writhing skink, Ashwamedha supple skink *''
Eutropis austini ''Eutropis austini'' is a species of skink, a lizard in the family Scincidae. The species is endemic to Sri Lanka. Etymology The specific name, ''austini'', is in honor of American herpetologist Christopher C. Austin. Habitat The preferred nat ...
'' *'' Eutropis beddomei'' – Beddome's mabuya Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . *''
Eutropis bibronii ''Eutropis bibronii'', also known commonly as Bibron's mabuya, Bibron's skink, and the seashore skink, is a species of lizard in the family Scincidae. The species is native to India and Sri Lanka. Etymology The specific name, ''bibronii'', is ...
'' – Bibron's skink, seashore skink *'' Eutropis bontocensis'' – Luzon montane mabuya *''
Eutropis borealis ''Eutropis borealis'' is a species of skink. Before being elevated to full-species rank in 2020, it was considered a subspecies of ''Eutropis multicarinata'' (formerly ''Mabuya multicarinata''). ''Eutropis borealis'' is endemic to the Philippine ...
'' *'' Eutropis brevis'' *''
Eutropis caraga ''Eutropis caraga'', the Caraga sun skink, is a species of skink found in the Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the wester ...
'' – Caraga sun skink *'' Eutropis carinata'' – keeled Indian mabuya, many-keeled grass skink, "golden skink" *''
Eutropis chapaensis The Sapa mabouya (''Eutropis chapaensis'') is a species of skink found in Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a pop ...
'' – Sapa mabuya *'' Eutropis clivicola'' – Inger's mabuya *''
Eutropis cumingi ''Eutropis cumingi'', also known commonly as Cuming's eared skink, Cuming's mabouya, and Cuming's mabuya, is a species of lizard in the family Scincidae. The species is endemic to the Philippines. Etymology The specific name, ''cumingi'', is i ...
'' – Hugh Cuming, Cuming's mabuya, Cuming's eared skink *''Eutropis cuprea'' – copper sun skink *''Eutropis darevskii'' – Darevsky's mabouya, Darevsky's mabuya, Darevsky's skink *''Eutropis dattaroyi'' *''Eutropis dawsoni'' – Gans's grass skink *''Eutropis englei'' – six-striped mabuya *''Eutropis floweri'' – Edward Harrison Taylor, Taylor's striped mabuya *''Eutropis greeri'' *''Eutropis gubataas'' – upland sun skink *''Eutropis indeprensa'' – :fr:Walter Creighton Brown, Brown's mabuya *''Eutropis innotata'' – William Thomas Blanford, Blanford's mabuya *''Eutropis islamaliit'' – striking Philippine sun skink *''Eutropis lankae'' *''Eutropis lapulapu'' – Lapu-lapu’s sun skink *''Eutropis lewisi'' – Lewis’s mabuya *''Eutropis longicaudata'' – longtail mabuya, long-tailed sun skink *''Eutropis macrophthalma'' *''Eutropis macularia'' – bronze mabuya, bronze grass skink *''Eutropis madaraszi'' – Sri Lanka bronze mabuya *''Eutropis multicarinata'' *''Eutropis multifasciata'' – East Indian brown mabuya, many-lined sun skink, many-striped skink, common sun skink, golden skink *''Eutropis nagarjuni'' – Sharma's mabuya *''Eutropis palauensis'' – Palau sun skink *''Eutropis quadratilobus'' *''Eutropis quadricarinata'' – beautiful mabuya *''Eutropis resetarii'' *''Eutropis rudis'' – rough mabuya, brown mabuya *''Eutropis rugifera'' – Nicobar Islands, Nicobar Island skink, Sulawesi bronze bush skink *''Eutropis sahulinghangganan'' – Palawan sun skink *''Eutropis sibalom'' – Sibalom sun skink *''Eutropis tammanna'' – Tammanna skink *''Eutropis trivittata'' – three-banded mabuya *''Eutropis tytleri'' – Robert Christopher Tytler, Tytler's mabuya *''Eutropis vertebralis'' ''Nota bene'': A Binomial nomenclature, binomial authority in parentheses indicates that the species was originally described in a genus other than ''Eutropis''.


References


Further reading

*Leopold Fitzinger, Fitzinger L (1843). ''Systema Reptilium, Fasciculus Primus, Amblyglossae.'' Vienna: Braumüller & Seidel. 106 pp. + indices. (Genus ''Eutropis'', p. 22). (in Latin). {{Taxonbar, from=Q1766527 Eutropis, Lygosominae Lizard genera Taxa named by Leopold Fitzinger