Elusor macrurus CANN & LEGLER, 1994
Can you confirm these amateur observations of Elusor macrurus?
|Higher Taxa||Chelidae, Chelodininae, Pleurodira, Testudines (turtles)|
|Common Names||E: Mary River Turtle|
|Synonym||Elusor macrurus CANN & LEGLER 1994|
Elusor macrurus — COGGER 2000: 739
Elusor macrurus — GEORGES & THOMSON 2010
Elusor macrurus — TTWG 2021
|Distribution||Australia (SE Queensland)|
Type locality: Mary River, 45.5 km Sand 21.0 km W Maryborough, Queensland, Australia, elevation approximately
30 m (25°58'S, 152°30'E).
|Types||Holotype: QM J51275|
|Diagnosis||Diagnosis (Genus). A short-necked Australian chelid turtle oflarge adult size, with a low streamlined shell, basking habits, and a southern temperate breeding pattern. Distinguished from all other Australian chelid turtles by the following combination of characters (characters marked with an asterisk [*] are alone diagnostic): 1. Eye dull and dark with a vestigial nictitating membrane*. 2. Barbels long and fleshy. 3. Humerus and femur of subequallength*. 4. Inguinal and axillary buttresses of subequal size*. 5. Precentral [nuchal] scute always present. 6. Tail distinctive (all sexes and ages) in having a large precloacal portion*, a longitudinal, slitlike cloacal orifice*, and in being laterally compressed*. 7. Distal caudal vertebrae much higher than long and bearing distinct haemal arches*. 8. Length of tail in adult males more than half length of carapace and significantly longer than combined length of head and neck*.|
|Comment||This is one of the 25 most endangered turtle species according to a 2003 assessment by the IUCN.|
Type Species: E. macrurus is the type species of the genus Elusor CANN 1994.
Habitat: freshwater (rivers)
|Etymology||Named after Greek makros, long, + Greek oura, tail; referring to the long and distinctively shaped tail.|
The genus name is derived from Latin “eludo” to escape, to escape notice of; ergo, a contrived word of male gender connoting a frustratingly elusive thing, alluding to the cryptic provenance of this organism during the many years we knew it existed.