Lobster Lake Formation (ME*)
Big Claw Red-Bed Member (ME*).
late Silurian*
Type section: north side of Lobster Lake from north end of arm of lake known as Big Claw to unnamed point just north of Sunset Point, Ragged Lake 15-min quadrangle, western Piscataquis Co., western ME (Boucot, 1961).
New England province*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).