panthalassic

English

Etymology

pan- +‎ thalassic

Adjective

panthalassic (not comparable)

1. That inhabits most or all of the seas and oceans.
   • 1976, HJ Semina, “Different patterns of phytoplankton distribution, cell size, species' composition and abundance”, in Marine Biology, volume 37, number 4, page 389:

     Some panthalassic species were found in the north and south of the investigation area, but were not found in the central part (Pyrocystis pseudonoctiluca, Fig. 6; and Pyrophacus horologium).

   • 1997, The Biogeography of the Oceans, page 213:

     Echinoid genera are mainly of panthalassic—West Pacific distribution (10 out of 17 genera), and echinoid species are mainly of oceanic distribution (13 out of 19 species, including eight endemics of the Nazca and Sala y Gómez ridges).

   • 2012, Yvonne Herman, The Arctic Seas: Climatology, Oceanography, Geology, and Biology:

     In the sublittoral sediments of the Chukchi Sea, planktonic neritic and panthalassic species predominate (mainly cold-water forms as well as wide-ranging taxa).