Species: crassus (NEWBERRY, 1873)
Etymology:
= Rhynchodus crassus NEWBERRY, 1873

Holotype: AMNH 289

Locality: Delaware, Delaware County, Ohio.

Horizon: Delaware limestone.

Biostratigraphy:

Age: Middle Devonian.

Material: Left “mandibular tooth”.
_____________________________________________________________________________________

Species: frangens (NEWBERRY, 1873)
Etymology:
= Rhynchodus frangens NEWBERRY, 1873

Cotype: AMNH 285

Locality: Delaware, Delaware County, Ohio.

Horizon: Delaware limestone.

Biostratigraphy:

Age: Middle Devonian.

Material: Left “mandibular tooth”.

Cotype: AMNH 286: Inner face of anterior crown portion of tooth.
_____________________________________________________________________________________

Species: greenei (NEWBERRY, 1873)
Etymology:
= Rhynchodus greenei NEWBERRY, 1873

Holotype: AMNH 4594

Locality: Milwaukee, Milwauke County, Wisconsin.

Horizon: Hamilton.

Biostratigraphy:

Age: Late Pennsylvanian.

Material: A large dental plate much broken, some of the fragments lost.

Referred material:

HUSSAKOF & BRYANT, 1918

Museum of the Buffalo Society of Natural Science, E. 1891: Greater portion of a right lower dental plate.

_____________________________________________________________________________________

Species: lunaeformis HUSSAKOF & BRYANT, 1918
Etymology:

Holotype: Museum of the Buffalo Society of Natural Science, E. 1928

Locality: Eighteen Mile Creek, near North Evans, Erie County, New York.

Horizon: North Evans Limestone.

Biostratigraphy:

Age: Frasnian Stage, Lower Late Devonian Epoch, Late Devonian.

Material: A lower dental plate.

Referred material:

E. 2445: A lare impervect dental plate.

_____________________________________________________________________________________

Species: hussakofi BRYANT, 1935
Etymology:

Holotype:

Locality: New York.

Horion: North Evans Limestone.

Biostratigraphy:

Age: Frasnian Stage, Lower Late Devonian Epoch, Late Devonian.

Material: A large dental plate. With 3 promineent tritors.
_____________________________________________________________________________________

Species: minor BRYANT, 1935
Etymology:

Holotype:

Locality: Conodont Bed, Morse Creek, Near Athol Springs, Erie County, New York.

Horizon:

Biostratigraphy:

Age: Late Devonian.

Material: A right lower dental plate.
_____________________________________________________________________________________

Species: predator EASTMAN, 1898
Etymology:

Holotype:

Locality: Gerolstein, Eifel, Rhieland-Pfalz State, Germany.

Horion: Horizon unknown.

Biostratigraphy:

Age: Devonian.

Material: A fragmentary dental plate.
_____________________________________________________________________________________