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Emydura subglobosa (KREFFT, 1876)

IUCN Red List - Emydura subglobosa - Least Concern, LR

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Higher TaxaChelidae, Chelodininae, Pleurodira, Testudines (turtles)
SubspeciesEmydura subglobosa subglobosa (KREFFT 1876)
Emydura subglobosa worrelli WELLS & WELLINGTON 1985 
Common NamesE: Red-bellied Short-necked Turtle
worrelli: Diamond-head Turtle
G: Rotbauch-Spitzkopfschildkröte 
SynonymEuchelymys subglobosa KREFFT 1876
Emydura albertisii BOULENGER 1888 (fide CANN 1978)
Emydura albertisi — DE ROOIJ 1915: 319
Emydura albertisii — PODLOUCKY 1984
Tropicochelymys goodei WELLS & WELLINGTON 1985 (fide IVERSON et al. 2001)
Emydura subglobosa — IVERSON 1986
Emydura subglobosa — COGGER 2000: 199
Emydura subglobosa subglobosa — GEORGES & THOMSON 2010
Emydura subglobosa angkibaanya JOSEPH-OUNI, MCCORD, CANN, SMALES & FREEMAN 2019
Emydura subglobosa subglobosa — TTWG 2021

Emydura subglobosa worrelli WELLS & WELLINGTON 1985
Tropicochelymys worrelli WELLS & WELLINGTON 1985: 9
Tropicochelymys leichhardti WELLS & WELLINGTON 1985, nomen nudum
Emydura victoriae worrelli
Emydura worrelli — COGGER 2000: 740 (see comment)
Emydura subglobosa worrelli — GEORGES & ADAMS 1996
Emydura subglobosa worrelli — MCCORD et al. (2003)
Emydura worrelli — BONIN et al 2006
Emydura subglobosa worrelli — GEORGES & THOMSON 2010
Emydura worrelli — CANN & SADLIER 2017
Emydura subglobosa worrelli — TTWG 2021 
DistributionS Papua New Guinea,
Australia (Jardine River at the northern tip of the Cape York Penisula, Queensland)

subglobosa: New Guinea, Australia (Queensland: tip of Cape York)

worrelli: NW Australia, maybe New Guinea

Type locality: Naiabui, on Amama River, SE Papua New Guinea.

angkibaanya: Australia (N Queensland); 'Old River Crossing' , Jardine River, Cape York Peninsula, Queensland, Australia, 11°08'S, 142°21'E (fide Shaffer et al., 2009)  
TypesHolotype: MSNG 2320 (was CE; Museo Civico di Storia Naturale di Genova)
Holotype: AMS R53689 [worrelli]
Holotype. AMS R37669, adult female of 160 mm straight carapace length, collected 1972 by G. Webb and R. Shine. The prepared skull of this specimen is catalogued as AMS R37669.01. Paratypes: AMS R37666, juvenile; AMS R37668, adult male [angkibaanya] 
CommentSynonymy: Emydura albertisii has been included in E. kreffti (GOODE 1967) or in E. australis (PRITCHARD 1979). GOODE (1967) also synonymized E. schultzei with Emydura (= Elseya) novaeguineae and Emydura subglobosa and Emydura albertisii with Emydura krefftii. FRITZ & BAUR (1995) report a vital hybrid between Emydura subglobosa and Elseya novaeguineae.

Subspecies: Emydura subglobosa angkibaanya JOSEPH-OUNI et al. 2019 was considered a synonym of E. s. subglobosa by TTWG 2021. The subspecies subglobosa and worrelli are only weaky distinct genetically and are thus best considered as subspecies.

Distribution: Map in MCCORD et al. (2003) and Joseph-Ouni et al. 2019 (Appendix, Fig. 5). WELLS & WELLINGTON (1985) separated the Batten Creek and MacArthur River, Northern Territory, populations as Tropicochelymys worrelli (fide KING & BURKE 1989). The distribution of the two subspecies remains to be clarified.

Etymology: The subspecific name angkibaanya references the Australian Aboriginal dialectic word for 'rainbow' in the language of the Gudang people who are traditional inhabitants of the northern-most area of the Cape York Peninsula, in allusion to this taxon's bold facial and ventral coloration.

Habitat: freshwater (rivers, swamps)

Abundance: Rare. This is one of the species called 'lost' and 'rediscovered' by Lindken et al. 2024. 
EtymologyPresumably named after the Latin sub (under, somewhat) plus globosus (spherical), referring to the bulbous shape of the shell of this species. (G. Shea, pers. comm., 9 Feb 2024) 
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