p.1

Rusophycus bilobatus, Vanusem;
Hall, Pal. N.Y. Vol. 2 p. 24 pl. 9 fig. 1

Fucoides bilobata, Vanuxem, N.Y. Geol. Rep.
p. 79 fig. 1. Rogers Penna Rep 2 p 822 fig 626

Distinctly bilobate, with the
lobes often separating at one extremity;
form broadly oval or subquadrangular,
very rugose transversely, with a deep
longitudinal groove running the
entire length. - In several specimens
there arises from between the two lobes
a round slender stem, which extends to
the length of several inches.

L. 3.0 to 4.0 D 1.4 to 2.5