Tentaculitida  search
BTInvertebrata
 .Mollusca
 ..Tentaculitida
NTTentaculitidae
RTproblematic fossils
SNOrder.
Tentaculitidae  search
BTInvertebrata
 .Mollusca
 ..Tentaculitida
 ...Tentaculitidae
NTTentaculites
RTproblematic fossils
SNFamily.