description Prionocidaris baculosa Overview
Prionocidaris baculosa is a species of cidaroid sea urchin found in the marine waters of the Indo-West Pacific region. Originally described by the French naturalist Jean-Baptiste Lamarck in 1816, this echinoid is biologically characterized by its thick, robust spines. Because the spines lack a living epidermal covering in adulthood, they frequently serve as a substrate for epibionts such as algae, sponges, and bryozoans. As a bottom-dwelling organism, it inhabits reef environments where it grazes on hard substrates.
help Prionocidaris baculosa FAQ
Where is Prionocidaris baculosa found?
Prionocidaris baculosa occurs in marine waters of the Indo-West Pacific region. Its range therefore covers tropical and subtropical seas rather than freshwater habitats.
What makes Prionocidaris baculosa different from many other sea urchins?
It is a cidaroid sea urchin with thick, robust spines. Those heavy spines are a prominent biological feature of the species and of the cidaroid group more generally.
Who described Prionocidaris baculosa?
The French naturalist Jean-Baptiste Lamarck originally described the species in 1816. It is now placed in the genus Prionocidaris.
What kind of animal is Prionocidaris baculosa?
It is an echinoid, the group that includes sea urchins, and specifically a member of the cidaroid lineage. The animal lives in the sea and uses its robust spines as part of its defensive body structure.
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