description Arbacia spatuligera Overview
Arbacia spatuligera is a species of arbaciid sea urchin from South America, described by Valenciennes in 1846. It is distinguished by flattened, spatulate oral spines, a feature of its external morphology that helps separate it from other regular sea urchins. The name is relevant to zoological and taxonomic references concerning extant sea urchins of rocky marine habitats.
help Arbacia spatuligera FAQ
What is Arbacia spatuligera?
Arbacia spatuligera is an arbaciid sea urchin from South America. Valenciennes described the species in 1846.
What does spatuligera describe in this sea urchin?
The name refers to its flattened, spatulate oral spines. Those paddle-like spines are an important external feature for distinguishing it from other regular sea urchins.
Where is Arbacia spatuligera found?
It is a South American sea-urchin species. The catalog description identifies its geographic association at the continental level rather than giving a narrower coastal range.
How can Arbacia spatuligera be separated from similar sea urchins?
Its flattened oral spines are the key feature to examine. The spatulate shape helps separate Arbacia spatuligera from regular sea urchins with more conventional pointed spines.
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