The Bertie Waterlime - Fossil Ecosystems of North America: A Guide to the Sites and their Extraordinary Biotas - page 65

in the Rondout Group ( 67 ). However,
discovery of a eurypterid-bearing
waterlime above the Akron Formation: the
Moran Corner Waterlime (Ciurca, 1990),
prompted Ciurca and Hamell (1994) to

follow Chapman and include the Akron-
Cobleskill and the Moran Corner in the
Bertie Group.
The Bertie Group sediments record

a cyclic sequence of transgressions

67

Moran Corner Formation

Akron/Cobleskill Formation

B

Williamsville Formation

A

Scajaquada Formation

Ellicott Creek Member

Phelps Member

B

Victor Member

A

Morganville Member

Oatka Formation

Fort Hill Formation

10 feet

Camillus Formation (70')

1 meter

waterlime limestone dolomitic

shale

lamination distorted

bedding

breccia eurypterid-rich

horizons

mudcracks mudcracks brachiopods burrows nodules gypsum

crystals

halite
pseudomorphs

rugose
corals

67 Stratigraphic section of the Bertie and Rondout Groups in western New York State. Based
on Ciurca and Hammell 1994.