Praeactinocamax plenus - Praeactinocamax plenus is an extinct Cephalopoda. Its fossils are found in the Cenomanian. It has been described by Blainville in 1827 under the name Belemnites plenus. In 1997 it was recombined as Praeactinocamax plenus by Kostak. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Animal