description Tripylus excavatus Overview
Tripylus excavatus is a species of heart urchin, an irregular sea urchin in the order Spatangoida. It lives buried in marine sediment in cold southern waters and is distinguished by excavated fascioles, bands associated with the arrangement of tube feet and spines; the species is therefore of interest in studies of burrowing echinoids and southern Atlantic benthic life. [Revista de Biología Tropical](https://www.scielo.sa.cr/pdf/rbt/v69s1/0034-7744-rbt-69-s1-14.pdf)
help Tripylus excavatus FAQ
What kind of animal is Tripylus excavatus?
Tripylus excavatus is a species of heart urchin, which is an irregular sea urchin. It belongs to the order Spatangoida and has a body adapted for burrowing.
Where does Tripylus excavatus live?
Tripylus excavatus lives buried in marine sediment in cold southern waters. Its sediment-dwelling lifestyle separates it from sea urchins that remain exposed on rocky surfaces.
What are fascioles in Tripylus excavatus?
Fascioles are specialized bands associated with the arrangement of tube feet and spines on an irregular sea urchin. Tripylus excavatus is distinguished by excavated fascioles, a feature reflected in its scientific name.
Why is Tripylus excavatus called a heart urchin?
Heart urchins commonly have a bilaterally organized body and a shape that can resemble a heart in outline. Tripylus excavatus belongs to this group because it is a burrowing spatangoid rather than a regular, radially symmetrical sea urchin.
explore Explore More
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
