p. 1




Status: Complete

Alethopterus lonchitidis, Sternb
Lesq. Geol. Penn. 2p 864

Frond 2-3-pinnate; pinnae open,
alternate, the inferior ones bipinnatifid;
the superior ones pinnatifid; pinnules
open alternate, lanceolate=linear, long
acute, slightly oblique, decurrent at
the base, and united or distinct,
convex on the margins; medial
nerve broad, canaliculate, nearly
excurrent; nervules perpendicular
slender, close, simple or dichotomous.

Coal Measures: Cuyahoga Falls Ohio
Kenawha Salines Va - Pottsville Pa
Pictu & South Joggins Nova Scotia
Zanesville O.

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