heliopore

From the genus name Heliopora, from Ancient Greek ἥλιος (hḗlios, “sun”) + πόρος (póros, “filament; pore”).

heliopore (plural heliopores)

1. A coral of the genus Heliopora, the sun coral or blue coral.
   • 1846, James Dwight Dana, United States Exploring Expedition‎, volume VII, page 541:

     The Heliolites are closely related to the Helioporæ, but the interstices are irregularly cellular […] The cells contain twelve short rays or striations, and around the aperture twelve granules may generally be distinguished, situated like those of the Heliopores.

   • 1872, James Dwight Dana, Corals and Coral Islands‎, page 109:

     The coral-reef species of corals are the following.— 1. In the Astræa tribe (Astræacea), all the many known species. […] 6. Among Hydroids, the Millepores and Heliopores.

• Oxford English Dictionary, 1884–1928, and First Supplement, 1933.