1) Devonian animal
Found on
https://www.crosswordclues.com/clue/anticalyptraea
Anticalyptraea Quenstedt, 1867 (=Autodetus Lindström, 1884) is a fossil genus of encrusting tentaculitoid tubeworms from the Silurian to Devonian of Europe and North America (Vinn, 2010). Anticalyptraea commonly encrust various invertebrate fossils such as stromatoporoids, rugose corals, bryozoans, brachiopods and crinoids, but they can also be c...
Found on
http://en.wikipedia.org/wiki/Anticalyptraea
No exact match found.
