Species: glossa SANSOM & SMITH, 2004
Etymology: Latin, glossa, ‘tongue’; in reference to the tongue-shaped
morphology of the individual scales, noun in apposition.
Holotype: BU 3667
Locality: Crazy Woman Creek, Phantom Canyon, northe-east of Canon City, Fremont County, Colorado.
Horizon: Harding Sandstone Formation.
Biostratigraphy:
Age: Caradoc Epoch, Late Ordvocian.
Material: Isolated sale.
Referred material:
BU 3663: Broken small scale.
Locality: Bighorn Moutains, Wyoming.Horizon: South Piney Member, Winnipeg Formation
Biostratigraphy:
Age: Mid Mohawkian, Mid-CaradocEpoch, Late Ordovician.
Material:
BU 3664, 3665: Scales.