心海膽

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.

Deep-Sea Sea-Urchins. Homolampas glauca, from the Bay of Bengal. Most of the spines have been removed

Etoiles de mer. 1- Asterias rubens, 2- Astropecten Mulleri, 3- Solaster papposus, 4- Ophiothrix fragilis, 5- Ophiura albida, 6- Amphiura filiformia; Oursins

Lovenia cordiformis.

Test of Metalia pectoralis.

Palaeotropus Hirondellei, d'apres Koehler, face ventral.

Deep-Sea Sea-Urchins. Lovenia gregalis, from the Bay of Bengal, 475 fathoms. The hair-like and bristle-like spines with which it is covered have been removed

Pedicellaire tridactyle d'Echinocardium pennatifidum, d'apres Koehler.

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.

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.