Wikipedia
Pseudopolygnathus
Pseudopolygnathus is an extinct genus of conodonts in the family Polygnathidae.
Pseudopolygnathus granulobatus is from the Late Devonian or Early Carboniferous of Italy.
The three subspecies of P. granulosus, P. g. laepensis, P. g. salawinensis and P. g. maepoensis are from the Late Devonian of Thailand.