Extinct Mackerel (Porbeagle)
Archaeolamna kopingensis
Cretolamna appendiculata
Cretodus borodini aka Potolamna borodini

Crow
Squalicorax Pristodontus
Squalicorax kaupi

Goblin
Scapanorhynchus texanus

Extinct Thresher
Paranomotodon angustidens

Angle Shark
Squatina hassei

Hybodont Shark
Hybodus sp.
Lonchidion abulskii aka Lissodus babulskii

Sandtiger
Carcharias holmdelensis
Carcharias reticulata
Carcharias cuspidata

Sawfish
Ischyrhiza mira - Rostral spines, oral teeth
Ptychotrygon sp.

Cow Nosed Rays
Brachyrhizodus wichitaensis
Rhombodus laevis

Saber-Toothed Herring
Enchodus sp.

Ratfish
 Ischyodus

Snaggeltooth
Hemipristis serra (various locations)

Anomoeodus phaseolus
Branchial (gill) teeth

Brachiopod
Choristothyris plicata
Oleneothyris harlani  

Assorted Gastropods
 and bivalves
 

I enjoy trading "common finds" from other locations or countries.