oxycone
nounEtymology From oxy- + cone.
1
Biology, History, Human sciences, Malacology, Natural sciences, Paleontology, Sciences A type of ammonoid with a slim, disk-shaped (oxyconic) shell.
- The quickest and nimblest were probably the oxycones, throwing themselves through the water like discuses.2017, Danna Staaf, Squid Empire, ForeEdge, →ISBN, page 87: