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Spyroceras clathratoannulatum

Cephalopoda - Pseudorthocerida - Spyroceratidae

Taxonomy
Orthoceras clathratoannulatum was named by Roemer (1861).

It was recombined as Spyroceras clathratoannulatum by Roemer (1861).

Sister species lacking formal opinion data
S. fukujiense, S. nuntium, S. perroti, S. thoas