A new catfish, Hypsidoris farsonensis, from the Green River Formation is described. The trenchant features of this fish include six/or seven pelvic rays, exceptionally long fin spines, a pair of ...

American Journal of Botany, Vol. 57, No. 7 (Aug., 1970), pp. 782-785 (4 pages) Four new species of algae and two kinds of fossil plant hairs are described from a rich oil shale bed of the mid-Eocene ...