Typhlopidae: Difference between revisions
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The '''Typhlopidae''' are a [[family (biology)|family]] of [[Scolecophidia|blind snakes]].<ref name="ITIS">{{ITIS |id=174338 |taxon=Typhlopidae |access-date=14 August 2007}}</ref> They are found mostly in the tropical regions of Africa, Asia, the Americas, and all mainland Australia and various islands.<ref>[[Richard Shine|Shine, Richard]] (2007). ''Australian Snakes, a Natural History''. Chatswood, New South Wales: New Holland Publishers. 224 pp. {{ISBN|978-1-876334-25-3}}.</ref> The rostral scale overhangs the mouth to form a shovel-like burrowing structure. They live underground in burrows, and since they have no use for vision, their eyes are mostly [[vestigial]]. They have light-detecting black eye spots, and teeth occur in the upper jaw. Typhlopids do not have dislocatable lower jaw articulations restricting them to prey smaller than their oral aperture.<ref>{{Cite journal|last1=Webb|first1=Jonathan K.|author-link=species:Jonathan K. Webb|last2=Branch|first2=William R.|author2-link=species:William Roy Branch|last3=Shine|first3=Richard|date=2001|title=Dietary Habits and Reproductive Biology of Typhlopid Snakes from Southern Africa|url=https://www.jstor.org/stable/1565893|journal=Journal of Herpetology|volume=35|issue=4|pages=558–567|doi=10.2307/1565893|jstor=1565893|issn=0022-1511}}</ref> The tail ends with a horn-like scale. Most of these species are [[oviparous]]. Currently, 18 genera are recognized containing over 200 species.<ref name="ITIS" /><ref>{{Cite journal|author1=Pyron, Robert Alexander |author-link=species:Robert Alexander Pyron |author2=Burbrink, Frank T. |author2-link=species:Frank T. Burbrink |author3=Wiens, John J. |author3-link=species:John Joseph Wiens |year=2013|title=A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes|journal=BMC Evolutionary Biology|volume=13|issue=1|pages=93–145|doi=10.1186/1471-2148-13-93|pmid=23627680|pmc=3682911}}</ref> |
The '''Typhlopidae''' are a [[family (biology)|family]] of [[Scolecophidia|blind snakes]].<ref name="ITIS">{{ITIS |id=174338 |taxon=Typhlopidae |access-date=14 August 2007}}</ref> They are found mostly in the tropical regions of Africa, Asia, the Americas, and all mainland Australia and various islands.<ref>[[Richard Shine|Shine, Richard]] (2007). ''Australian Snakes, a Natural History''. Chatswood, New South Wales: New Holland Publishers. 224 pp. {{ISBN|978-1-876334-25-3}}.</ref> The rostral scale overhangs the mouth to form a shovel-like burrowing structure. They live underground in burrows, and since they have no use for vision, their eyes are mostly [[vestigial]]. They have light-detecting black eye spots, and teeth occur in the upper jaw. Typhlopids do not have dislocatable lower jaw articulations restricting them to prey smaller than their oral aperture.<ref>{{Cite journal|last1=Webb|first1=Jonathan K.|author-link=species:Jonathan K. Webb|last2=Branch|first2=William R.|author2-link=species:William Roy Branch|last3=Shine|first3=Richard|date=2001|title=Dietary Habits and Reproductive Biology of Typhlopid Snakes from Southern Africa|url=https://www.jstor.org/stable/1565893|journal=Journal of Herpetology|volume=35|issue=4|pages=558–567|doi=10.2307/1565893|jstor=1565893|issn=0022-1511}}</ref> The tail ends with a horn-like scale. Most of these species are [[oviparous]]. Currently, 18 genera are recognized containing over 200 species.<ref name="ITIS" /><ref>{{Cite journal|author1=Pyron, Robert Alexander |author-link=species:Robert Alexander Pyron |author2=Burbrink, Frank T. |author2-link=species:Frank T. Burbrink |author3=Wiens, John J. |author3-link=species:John Joseph Wiens |year=2013|title=A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes|journal=BMC Evolutionary Biology|volume=13|issue=1|pages=93–145|doi=10.1186/1471-2148-13-93|pmid=23627680|pmc=3682911 |bibcode=2013BMCEE..13...93P |doi-access=free }}</ref> |
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== Evolution == |
== Evolution == |
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The Typhlopidae are thought to have originated on [[Madagascar]] during the [[Late Cretaceous]], along with their [[sister group]], the [[Xenotyphlops|Xenotyphlopidae]]. The common ancestor of both families is thought to have diverged from the [[Gerrhopilidae]] earlier in the Cretaceous, when [[Insular India]] broke away from Madagascar. Afterwards, the Typhlopidae are thought to have dispersed out of Madagascar (leaving behind a single [[Basal (phylogenetics)|basal]] genus, ''[[Madatyphlops]]'') into mainland [[Africa]] and then [[Eurasia]], in contrast to the Xenotyphlopidae which remained restricted to Madagascar. From these regions, the Typhlopidae went on to colonize the rest of the world, with African typhlopids [[Oceanic dispersal|rafting]] across to Atlantic to [[South America]] during the [[Paleocene]], then colonizing the [[Caribbean]] during the [[Oligocene]], while Asian typhlopids colonized [[Australia]] from [[Southeast Asia]] or [[Indonesia]] later in the Oligocene.<ref name="Vidal-2010">{{Cite journal |author=Vidal, Nicolas |display-authors=etal |year=2010 |title=Blindsnake evolutionary tree reveals long history on Gondwana |journal=Biology Letters |volume=6 |issue=4 |pages=558–561, page 560 |doi=10.1098/rsbl.2010.0220 |pmc=2936224 |pmid=20356885}}</ref><ref name=":1">{{Cite journal | |
The Typhlopidae are thought to have originated on [[Madagascar]] during the [[Late Cretaceous]], along with their [[sister group]], the [[Xenotyphlops|Xenotyphlopidae]]. The common ancestor of both families is thought to have diverged from the [[Gerrhopilidae]] earlier in the Cretaceous, when [[Insular India]] broke away from Madagascar. Afterwards, the Typhlopidae are thought to have dispersed out of Madagascar (leaving behind a single [[Basal (phylogenetics)|basal]] genus, ''[[Madatyphlops]]'') into mainland [[Africa]] and then [[Eurasia]], in contrast to the Xenotyphlopidae which remained restricted to Madagascar. From these regions, the Typhlopidae went on to colonize the rest of the world, with African typhlopids [[Oceanic dispersal|rafting]] across to Atlantic to [[South America]] during the [[Paleocene]], then colonizing the [[Caribbean]] during the [[Oligocene]], while Asian typhlopids colonized [[Australia]] from [[Southeast Asia]] or [[Indonesia]] later in the Oligocene.<ref name="Vidal-2010">{{Cite journal |author=Vidal, Nicolas |display-authors=etal |year=2010 |title=Blindsnake evolutionary tree reveals long history on Gondwana |journal=Biology Letters |volume=6 |issue=4 |pages=558–561, page 560 |doi=10.1098/rsbl.2010.0220 |pmc=2936224 |pmid=20356885}}</ref><ref name=":1">{{Cite journal |last1=Ali |first1=Jason R. |last2=Hedges |first2=S. Blair |date=2023-05-04 |title=The colonisation of Madagascar by land‐bound vertebrates |url=https://onlinelibrary.wiley.com/doi/10.1111/brv.12966 |journal=Biological Reviews |volume=98 |issue=5 |pages=1583–1606 |language=en |doi=10.1111/brv.12966 |pmid=37142264 |s2cid=258507224 |issn=1464-7931}}</ref> |
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=== Fossil record === |
=== Fossil record === |
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|''[[Grypotyphlops]]'' |
|''[[Grypotyphlops]]'' |
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|[[Wilhelm Peters|W. Peters]], 1881<ref>Resurrected for a reclassified ''Rhinotyphlops acutus'' by Wallach (2003). {{Cite journal |author=Wallach, Van |author2=Pauwels, Olivier S. G. |author2-link=:fr:Olivier Sylvain Gérard Pauwels |name-list-style=amp |year=2004 |title=''Typhlops lazelli'', a new species of Chinese blindsnake from Hong Kong (Serpentes: Typhlopidae) |journal=Breviora |volume=512 |number=512 |pages=1–21 |url=https://www.biodiversitylibrary.org/page/8788712#page/3/mode/1up |doi=10.3099/0006-9698(2004)512[1:TLANSO]2.0.CO;2 }}</ref> |
|[[Wilhelm Peters|W. Peters]], 1881<ref>Resurrected for a reclassified ''Rhinotyphlops acutus'' by Wallach (2003). {{Cite journal |author=Wallach, Van |author2=Pauwels, Olivier S. G. |author2-link=:fr:Olivier Sylvain Gérard Pauwels |name-list-style=amp |year=2004 |title=''Typhlops lazelli'', a new species of Chinese blindsnake from Hong Kong (Serpentes: Typhlopidae) |journal=Breviora |volume=512 |number=512 |pages=1–21 |url=https://www.biodiversitylibrary.org/page/8788712#page/3/mode/1up |doi=10.3099/0006-9698(2004)512[1:TLANSO]2.0.CO;2 |s2cid=86212032 }}</ref> |
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Revision as of 03:54, 28 November 2023
Typhlopidae | |
---|---|
European blind snake (Xerotyphlops vermicularis) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Order: | Squamata |
Suborder: | Serpentes |
Infraorder: | Scolecophidia |
Superfamily: | Typhlopoidea |
Family: | Typhlopidae Merrem, 1820 |
Synonyms | |
The Typhlopidae are a family of blind snakes.[2] They are found mostly in the tropical regions of Africa, Asia, the Americas, and all mainland Australia and various islands.[3] The rostral scale overhangs the mouth to form a shovel-like burrowing structure. They live underground in burrows, and since they have no use for vision, their eyes are mostly vestigial. They have light-detecting black eye spots, and teeth occur in the upper jaw. Typhlopids do not have dislocatable lower jaw articulations restricting them to prey smaller than their oral aperture.[4] The tail ends with a horn-like scale. Most of these species are oviparous. Currently, 18 genera are recognized containing over 200 species.[2][5]
Evolution
The Typhlopidae are thought to have originated on Madagascar during the Late Cretaceous, along with their sister group, the Xenotyphlopidae. The common ancestor of both families is thought to have diverged from the Gerrhopilidae earlier in the Cretaceous, when Insular India broke away from Madagascar. Afterwards, the Typhlopidae are thought to have dispersed out of Madagascar (leaving behind a single basal genus, Madatyphlops) into mainland Africa and then Eurasia, in contrast to the Xenotyphlopidae which remained restricted to Madagascar. From these regions, the Typhlopidae went on to colonize the rest of the world, with African typhlopids rafting across to Atlantic to South America during the Paleocene, then colonizing the Caribbean during the Oligocene, while Asian typhlopids colonized Australia from Southeast Asia or Indonesia later in the Oligocene.[6][7]
Fossil record
Possible Typhlopid skin has been identified in Dominican amber.[8]
Geographic range
They are found in most tropical and many subtropical regions all over the world, particularly in Africa, Asia, islands in the Pacific, tropical America, and southeastern Europe.[1]
Genera
Genus[2] | Taxon author[2] | Species[2] | Common name | Geographic range[1] |
---|---|---|---|---|
Acutotyphlops | Wallach, 1995 | 5 | Eastern Papua New Guinea and the Solomon Islands | |
Afrotyphlops | Broadley & Wallach, 2009[9] | 29 | sub-Saharan Africa | |
Amerotyphlops | Hedges, Marion, Lipp, Marin & Vidal, 2014 | 19 | Mexico through South America | |
Anilios | Gray, 1845 | 48 | Australia and New Guinea. | |
Antillotyphlops | Hedges, Marion, Lipp, Marin & Vidal, 2014 | 12 | Caribbean islands | |
Argyrophis | Gray, 1845 | 12 | Asia | |
Cubatyphlops | Hedges, Marion, Lipp, Marin & Vidal, 2014 | 12 | Caribbean islands | |
Cyclotyphlops | Bosch & Ineich, 1994 | 1 | Indonesia: Selatan Province, southern Sulawesi | |
Grypotyphlops | W. Peters, 1881[10] | 1 | peninsular India | |
Indotyphlops | Hedges, Marion, Lipp, Marin & Vidal, 2014 | 23 | Asia | |
Letheobia | Cope, 1869[11] | 37 | Africa and the Middle East | |
Madatyphlops | Hedges, Marion, Lipp, Marin & Vidal, 2014 | 15 | Madagascar, the Comoro Islands, Mauritius | |
Malayotyphlops | Hedges, Marion, Lipp, Marin & Vidal, 2014 | 12 | the Philippines and Indonesia | |
Ramphotyphlops | Fitzinger, 1843 | 22 | long-tailed blind snakes[2] | southern and southeast Asia, as well as many islands in the southern Pacific Ocean |
Rhinotyphlops | Fitzinger, 1843 | 7 | Africa | |
Sundatyphlops | Hedges, Marion, Lipp, Marin & Vidal, 2014 | 1 | Indonesia and East Timor | |
TyphlopsT | Oppel, 1811 | 20 | the West Indies | |
Xerotyphlops | Hedges, Marion, Lipp, Marin & Vidal, 2014 | 6 | Palearctic |
Former genera
Xenotyphlops, formerly classified in the Typhlopidae, is now classed in the Xenotyphlopidae.
See also
References
- ^ a b c d McDiarmid RW, Campbell JA, Touré TA (1999). Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
- ^ a b c d e f "Typhlopidae". Integrated Taxonomic Information System. Retrieved 14 August 2007.
- ^ Shine, Richard (2007). Australian Snakes, a Natural History. Chatswood, New South Wales: New Holland Publishers. 224 pp. ISBN 978-1-876334-25-3.
- ^ Webb, Jonathan K.; Branch, William R.; Shine, Richard (2001). "Dietary Habits and Reproductive Biology of Typhlopid Snakes from Southern Africa". Journal of Herpetology. 35 (4): 558–567. doi:10.2307/1565893. ISSN 0022-1511. JSTOR 1565893.
- ^ Pyron, Robert Alexander; Burbrink, Frank T.; Wiens, John J. (2013). "A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes". BMC Evolutionary Biology. 13 (1): 93–145. Bibcode:2013BMCEE..13...93P. doi:10.1186/1471-2148-13-93. PMC 3682911. PMID 23627680.
- ^ Vidal, Nicolas; et al. (2010). "Blindsnake evolutionary tree reveals long history on Gondwana". Biology Letters. 6 (4): 558–561, page 560. doi:10.1098/rsbl.2010.0220. PMC 2936224. PMID 20356885.
- ^ Ali, Jason R.; Hedges, S. Blair (4 May 2023). "The colonisation of Madagascar by land‐bound vertebrates". Biological Reviews. 98 (5): 1583–1606. doi:10.1111/brv.12966. ISSN 1464-7931. PMID 37142264. S2CID 258507224.
- ^ Poinar, George O.; Poinar, Roberta (1999). The Amber Forest: A Reconstruction of a Vanished World. Princeton University Press. ISBN 978-0-691-05728-6.
- ^ Broadley, Donald G. [in French] & Wallach, Van (2009). "A review of the eastern and southern African blind-snakes (Serpentes: Typhlopidae), excluding Letheobia Cope, with the description of two new genera and a new species" (PDF). Zootaxa. 2255: 1–100. doi:10.11646/zootaxa.2255.1.1.
- ^ Resurrected for a reclassified Rhinotyphlops acutus by Wallach (2003). Wallach, Van & Pauwels, Olivier S. G. [in French] (2004). "Typhlops lazelli, a new species of Chinese blindsnake from Hong Kong (Serpentes: Typhlopidae)". Breviora. 512 (512): 1–21. doi:10.3099/0006-9698(2004)512[1:TLANSO]2.0.CO;2. S2CID 86212032.
- ^ Resurrected by Broadley & Wallach (2007). Wallach, Van; Brown, R.M. [in French]; Diesmos, A.C. [in French] & Gee, G.V.A. (2007). "An enigmatic new species of blind snake from Luzon Island, northern Philippines, with a synopsis of the genus Acutotyphlops (Serpentes: Typhlopidae)" (PDF). Journal of Herpetology. 41 (4): 690–702. doi:10.1670/206-5.1. S2CID 7385343.
External links
- Typhlopidae at the Reptarium.cz Reptile Database. Accessed 3 November 2008.