Tonna cumingii


Tonna cumingi, common name Cuming's tun, is a species of very large sea snail, a tun snail, a marine gastropod mollusc in the family Tonnidae, the tuns.

Taxonomy

The species currently referred to as Tonna cumingii has been referred to as:Tonna canaliculata by Thach Tonna cumingii 'Reeve' by Hedley ; Winckworth & Tomlin ; Hinton ; Powell ; Kilburn ; Thach
The species currently referred to as Tonna chinensis was referred to as Tonna cumingii by Springsteen & Leobrera
The species currently referred to as Tonna poppei Vos, 2005 was illustrated by Cernohorsky ; Hinton and referred to as Tonna cumingii 'Reeve'
The species currently referred to as Tonna deshayesii was referred to as Tonna cumingii 'Reeve' by Powell ; Cernohorsky
Additional information on Cernohorsky :
Whilst showing specimens of Tonna poppei Vos, 2005 on pl. 30, figs 5, Cernohorsky lists this species as Tonna cumingii, with in synonymy: "Synonyms of T. cumingii are deshayesii Reeve, 1849, perselecta Iredale, 1931, and maoria Powell, 1938. Tonna magnifica belongs either to T. cumingii or T. chinensis "

Distribution

This species is found often off the southern coasts of India and Sri Lanka. Populations of animals with similar-looking shells from marine molluscs of New Zealand|New Zealand] and Australian waters have been assimilated into this species. Occasional records indicate a possible presence of the species in Philippine waters. Further study on this species should reveal its exact distribution.

Shell description

The shell height is up to 91 mm, and width up to 66 mm.