rursiradiate

English

Etymology

Ultimately from Latin rūrsus + radiate.

Adjective

rursiradiate (not comparable)

1. (malacology, of the ribs of a cephalopod shell) Inclined backward.
   • 2016 January 14, “Paleobiology of the Latest Tithonian (Late Jurassic) Ammonite Salinites grossicostatum Inferred from Internal and External Shell Parameters”, in PLOS ONE‎^[1], →DOI:

     They are rursiradiate on the middle of the flank and become prorsiradiate towards the venter.

See also

• prorsiradiate
• rectiradiate