Fish species distribution within the Columbus and Delaware Limestone.

Fish species distribution within the Columbus and Delaware Limestone.
(Wells, J.W., 1944, Palaeontographica Americana).

GROUP	TYPE	Central Ohio Bone Beds
		1	2	3	4
Agnathid	Indeterminate drepanaspid plates			X
Agnathid	Ohioaspis tumulosus, n.g., n.sp.
Agnathid	forma typicus	X	X	X	X
Agnathid	forma turritus	X	X	X
Agnathid	forma clavulus	X	X
Agnathid	forma hystricosus	X	X	X
Agnathid	Ohioaspis impositus, n. sp.		X	X
Agnathid	Ohioaspis lamellatus	X
Acanthodian	Cheiracanthoides comptus, n.g., n.sp.	X	X	X	X
Acanthodian	Cheiracanthoides comis, n.sp.	X	X	X	X
Acanthodian	Cheiracanthoides venustus, n.sp.	X	X	X	X
Acanthodian	Cheiracanthoides breviplicatus, n.sp.	X	X	X
Acanthodian	Helolepis bellarugosus, n.g., n.sp		X	X
Acanthodian	Helolepis venustuloides, n.sp.		X	X	X
Acanthodian	Acanthoides hardyi, n.sp.	X	X	X
Acanthodian	Acanthoides sciotoensis, n.p.	X	X	X	X
Acanthodian	Acanthoides dublinensis (Stauffer)	X	X	X	X
Acanthodian	Plectrodus ohioensis, n.sp.	X	X	X
Acanthodian	Plectrodus multidentatus, n.sp.	X		X
Acanthodian	Plectrodus aculeatus n.sp.		X	X
Acanthodian	Machaeracanthus major (Newberry)		X
Acanthodian	Gyracanthus ? eastmani, n.sp.	X		X
Arthrodire	Coccosteus spatulatus (Newberry)		X	X
Arthrodire	Ptyctodus, sp.			X
Arthrodire	Rhynchodus, sp.		X	X
Arthrodire	Palaeomylus, sp.		X	X
Selachian	Ohiolepis newberryi, n.g., n.sp.	X	X	X	X
Selachian	Ohiolepis stewartae, n.sp.	X	X	X
Selachian	Deirolepis carinatus, n.g., n.sp.	X	X	X
Crossopterygian	Onychodus sigmoides (Newberry)	X	X	X	X