|Basic info||Taxonomic history||Classification||Included Taxa|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|R. H. Denison 1970||A smnall species with the median length of the dorsal A small
shieldattaining61millimeters. Therostralplatebroad(RW/RL= 2.14), bluntly rounded anteriorly, and with a narrow ventral preoral
surface (fig. 19, vps). Ornament of sharp-crested, crenulate ridges, about 11 to 13 per millimeter.
No measurements are available
No collection or age range data are available