''Nectocotis rusmithi'' is an Ordovician

nectocaridid ''Nectocaris'' is a genus of squid-like animal of controversial affinities known from the Cambrian period. The initial fossils were described from the Burgess Shale of Canada. Other similar remains possibly referrable to the genus are known from ...

, differing from ''

Nectocaris ''Nectocaris'' is a genus of squid-like animal of controversial affinities known from the Cambrian period. The initial fossils were described from the Burgess Shale of Canada. Other similar remains possibly referrable to the genus are known from ...

'' in the possession of an internal skeletal element.

References

Fossil taxa described in 2019 Late Ordovician animals Nectocarididae Ordovician animals of North America {{paleo-cephalopod-stub