Maelonoceras

{{Short description|Extinct genus of nautiloids}}

{{Taxobox

| fossil_range = Ordovician - Silurian

| image =

| regnum = Animalia

| phylum = Mollusca

| classis = Cephalopoda

| ordo = Oncocerida

| familia =

| genus = Maelonoceras

| genus_authority = Hyatt 1884 }}

Maelonoceras is a Late Ordovician - early Silurian oncocerid found in Ontario.

==Description==

The shell is a faintly gibbous exogastric cyrtocone with subparallel dorsal and ventral profiles but adorally converging sides. The aperture vizored, pear-shaped. The Siphuncle small, ventral.

Taxonomic relation

Maelonoceras is nautiloid cephalopod included in the Oncoceratidae along with such genera as Oncoceras, Belotoceras, Digenuoceras, and Maimoceras.

References

{{no footnotes|date=October 2015}}

  • Walter C. Sweet, 1964. Nautiloidea-Oncocerida. Treatise on Invertebrate Paleontology, Part K.
  • [https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=13057 Maelonoceras] Fossilworks entry.
  • Jack Sepkoski 2002. [http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class List of cephalopod genera]

{{Taxonbar|from=Q22285539}}

Category:Nautiloids

Category:Late Ordovician first appearances

Category:Silurian extinctions