Echinoidea note details

Diagnosis
English
eng
A species of Tripneustes with ambulacral primary tubercles occurring on every fourth plate ambitally; flattened test (height usually <60% test diameter (TD)); large peristomal opening (ca. 25%TD) without sunken margin; presence of one to two plates for every four ambulacral plates occluded from perradial suture (except in smallest specimens <80 mm TD); primary series of interambulacral tubercles continuous from peristome to apex; tubercles large; secondary interambulacral tuberculation reduced above ambitus.
Bronstein, O.; Kroh, A.; Tautscher, B.; Liggins, L.; Haring, E. (2017). Cryptic speciation in pan-tropical sea urchins: a case study of an edge-of-range population of Tripneustes from the Kermadec Islands. Scientific Reports. 7(1): 5948.
Date
action
by
2018-03-14 07:50:36Z
created