Life » … » Metazoa » … » Echinodermata » … » Asteroidea » … » Goniasteridae » …

Life » Cellular » Eukaryota » Opisthokonta » Metazoa » Bilateria » Deuterostomia » Echinodermata » Asterozoa » Asteroidea » Valvatacea » Valvatida » Goniasteridae » Astroceramus «

Astroceramus callimorphus Fisher 1906

visual system

Garm and Nilsson 2014
euj an aposission
URI: http://purl.obolibrary.org/obo/IDOMAL_0002229

Definission: A compound eye with no separation between the crystalline-cone layer and the retinula, each rhabdom receiving light only from its own corneal lens.

smon-e tute j'argistrassion