''Cornulites'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of cornulitid tubeworms. Their shells have vesicular wall structure, and are both externally and internally annulated. They usually occur as encrusters on various shelly

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserve ...

s. Their fossils are known from the Middle

Ordovician The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era, and the second of twelve periods of the Phanerozoic Eon (geology), Eon. The Ordovician spans 41.6 million years f ...

to the

Carboniferous The Carboniferous ( ) is a Geologic time scale, geologic period and System (stratigraphy), system of the Paleozoic era (geology), era that spans 60 million years, from the end of the Devonian Period Ma (million years ago) to the beginning of the ...

Species List

* ''Cornulites cancellatus'' * ''Cornulites cellulosus'' * ''Cornulites concavus'' * ''Cornulites gremialis'' * ''Cornulites levigatus'' * ''Cornulites mainensis'' * ''Cornulites rosehillensis'' * ''Cornulites scalariformis'' * ''Cornulites semiapertus'' * ''Cornulites serpularius'' (type) * ''Cornulites stromatoporoides'' * ''Cornulites subdistans'' * ''Cornulites youngi''

References

{{Taxonbar, from=Q5171920 Tentaculita Enigmatic protostome taxa Paleozoic life of Ontario Paleozoic life of Alberta Paleozoic life of New Brunswick Paleozoic life of Nova Scotia Paleozoic life of Quebec