Echinoidea note details

Diagnosis
English
eng
Apical disc monobasal with 4 gonopores. Petals with equal columns of respiratory podia. Ambulacral plates beyond petals with pores running along the middle. Interambulacrum 5 with 11–12 plates between basicoronal 5 and aboral edge of periproct. Naked zone along oral midline developed and pitted. Phyllodes short and with few occluded plates. Peristome transverse and pentagonal. Bourrelets bulged outwards because of internal depression on the basicoronal plates. Periproct aboral, longitudinal, and narrow.
Souto, C. & Martins, L. (2018). Synchrotron micro-CT scanning leads to the discovery of a new genus of morphologically conserved echinoid (Echinodermata: Cassiduloida). <em>Zootaxa.</em> 4457(1): 70. Available for editors  PDF available
Date
action
by
2018-08-30 12:23:36Z
created