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Brachylophus fasciatus (BRONGNIART, 1800)

IUCN Red List - Brachylophus fasciatus - Endangered, EN

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Higher TaxaIguanidae, Iguania, Sauria, Squamata (lizards)
Common NamesE: Lau Banded Iguana, Fiji Banded Iguana
G: Gebänderter Fidschileguan 
SynonymIguana fasciata BRONGNIART 1800
Agama fasciata — DAUDIN 1802
Brachylophus fasciatus — CUVIER 1829
Iguana (Brachylophus) fasciatus — GRAY 1831
Brachylophus fasciatus — DUMÉRIL & BIBRON 1837: 226
Ctenosaurus Sieberi FITZINGER 1843
Hypsilophus (Brachylophus) fasciatus — FITZINGER 1843
Chloroscartes fasciatus GÜNTHER 1862: 134
Chloroscartes fasciatus GÜNTHER 1862: 188
Brachylophus fasciatus — BOULENGER 1885: 192
Brachylophus brevicephalus AVERY & TANNER 1970
Brachylophus fasciatus — GIBBONS 1981
Brachylophus fasciatusLINNAEUS 1758 
DistributionFiji Islands (Viti Levu, Wakaya, Ovalau, Moturiki, Gau, Beqa, Vatuele, Kandavu Ono, Dravuni, Taveuni, Nggamea, Vanua, Balavu, Avea, Vatu Vara,Lakeba, Aiwa, Oneata, Vanua Levu, Vanua Vatu, Totoya, Kabara, Fulaga),
Tonga Islands (Tongatapu),
New Hebrides (Efate), Iles Wallis

Type locality: Tonga  
TypesHolotype: MNHN-RA 6812; other types erroneously given as BMNH 1946.8.3.83-84
Holotype: BYU 32662 [brevicephalus] 
DiagnosisDiagnosis (genus): differs from all other iguanid genera in possessing the following combination of character states: a) lateral process of the palatine behind infraorbital foramen contacts jugal, b) infraorbital foramen located entirely within palatine bone, but may or may not be connected to the lateral edge of the palatine suture, c) anterior inferior alveolar foramen located entirely within dentary, d) labial process of coronoid moderately large, e) second ceratobranchials of hyoid much longer than first ceratobranchials, e) zygosphenes separated from prezygapophyses by a deep notch, f) caudal autotomy septa absent, g) midsagittal processes on dorsal surfaces of caudal centra anterior to neural spine relatively small and confined to anterior fifth of caudal sequence, h) anterior postxiphisternal inscriptional ribs enlarged and members of at least one pair united midventrally to form continuous chevrons, i) large dewlap present in at least one sex, j) posterior marginal teeth with a fourth cusp in some individuals (John Iverson et al., pers. comm.) 
CommentType species: Iguana fasciata BRONGNIART 1800 is the type species of the genus Brachylophus CUVIER 1829.

Fossil species: one extinct species, B. gibbonsi, has been described. Additionally the extinct monotypic iguana genus Lapitiguana was also known only from Fiji and was twice the length of the largest living Brachylophus (Pregill & Worthy 2003, Pregill 1989). 
EtymologyNamed after Latin fascia = band, for the dorsal cross-bands in this species. 
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  • Brongniart, A. 1800. Essai d'une classification naturelle des reptiles. Bull. Soc. Philomath. 2 (36): 89-91 - get paper here
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