Tetragraptus approximatus Nicholson

YPM 20276

Early Ordovician, Marathon Ls, Monument Spring Dolomite Mbr. Tetragraptus aproximatus zone, 37-39 ft above isoclinal fold zone in section I beginning on NW limb of a large isoclinal fold, section bearing S65E, 4 mi SW of Marathon, Brewster Co., Texas, USA. Collector: Berry, W.B.

J.R. Barbour, photo


Invertebrate Paleontology Collections Page Museum Home

Peabody Museum of Natural History
Yale University
170 Whitney Avenue
New Haven, CT 06520

All contents Copyright (C) 1996-1997. All rights reserved.
Comments to: peabody.webmaster@yale.edu

URL: http://www.yale.edu/ypmip/