Sea Urchins

Paracentrotus lividus at Aquarium Finisterrae, Corunna, Galicia, Spain (5 December 2007)

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Naked test of Arbacia lixula from Agay (French Mediterranean). One ambulacra seems to have experienced a developmental issue. Licence : CC by-sa 4.0

A purple-spined sea urchin (Arbacia punctulata) at the Flower Garden Banks National Marine Sanctuary, l ocated 70 to 115 miles off the coast of Texas and Louisiana (NOAA picture).

Fore reef NE of Tareu Pass (Moorea, French Polynesia) from CalPhotos: A database of photos of plants, animals, habitats and other natural history subjects [web application]. BSCIT, University of California, Berkeley. Online at: http://calphotos.berkeley.edu/ used with permission

aboral view of an arbaciid sea urchin New Caledonia, NHM Vienna specimen no. 2005z0277/0017

Eucidaris tribuloides (aboral view), collected off of Piedra de Galera, San Blas, Caribbean coast, Panama. Source : Echinoderms of Panama.

Caenopedina annulata (aboral view), holotype SNMNH E09093, Tidore Island & Halmahera Island, Mollucas, Indonesia, Molluca Sea, Pacific Ocean.

Brissalius vannoordenburgi, paratype, aboral view, holotype NHM 2008.618, collected of Siquijor Island, Philippines, Pacific Ocean. Source : Echinoderms of Panama.  

aboral, oral, lateral views and ambulacrum details from Cotteau, G. H. & Triger, J. 1857-1869. Échinides du département de la Sarthe, considérés au point de vue zoologique et stratigraphique. J.-B. Baillière et Fils, Paris, xv+457 pp.

Tripatagus pittsi Zachos, 2012; MMNS IP-103.1 (paratype). Marianna Limestone, Vicksburg Group, Rupelian, Oligocene of Marquette Cement Company quarry, near Brandon, Mississippi, USA. Apical view. Scale bar equals 10 mm. Image by Louis G. Zachos.

Lanthonia longifissa (previously known as Mellita longifissa) from Punta Chame, Panama, eastern Pacific. ID & Photographer : Simon E. Coppard.

South Andros, The Bahamas

Bitung, North Sulawesi, Indonesia