telson
Noun
Meaning
The terminal joint or movable piece at the end of the abdomen of Crustacea and other articulates. See Thoracostraca.
Source: Webster's dictionaryDerivatives
Anagrams
Examples
The uropods and telson collectively form the tail fan; the uropods are not divided by a diaeresis, as they are in many other decapods.
The mouth is between segments two and three. citation The opisthosoma consists of twelve or fewer segments that originally formed two groups, a mesosoma of seven segments and a metasoma of five, terminating with a telson or spike.
The pleon (abdomen) is unsegmented in the first protozoea, and ends in a bilobed telson, which may be used for cleaning other appendages, or for steering.
The telson is flanked by a pair of long, thin caudal rami.