Eurypterids

(Click Photo to Enlarge)

Adelophthalmus sp.

Shelburn Formation

Sullivan County, IN

Pennsylvanian

Here is a wonderfully preserved and extremely rare Eurypterid from the fossiliferous coal fields of southwestern Indiana. This specimen, Adelophthalmus sp., measures 1 1/4" long and has some of the walking legs preserved. This specimen might represent a new species due to the vertical "bar" found on the head of this specimen.

(Click Photo to Enlarge)

Adelophthalmus mansfieldi

Shelburn Formation

Sullivan County, IN

Pennsylvanian

Here is an extremely rare Eurypterid from the fossiliferous coal fields of southwestern Indiana. This specimen, Adelophthalmus mansfieldi, measures 1 1/4" long and has one of the walking legs preserved.

(Click Photo to Enlarge)

Adelophthalmus mansfieldi

Shelburn Formation

Sullivan County, IN

Pennsylvanian

Here is a small, but wonderfully preserved and extremely rare Eurypterid from the fossiliferous coal fields of southwestern Indiana. This specimen, Adelophthalmus mansfieldi, measures 3/4" long and has one of the paddles preserved, a number of walking legs, and is complete almost to the telson.