FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232 in Phylogenetic analysis and revision of the trilobite subfamily Balnibarbiinae (Olenidae)

• Main Author: Hopkins, Melanie J.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Trilobita; Ptychopariida; Olenidae; Cloacaspis; Lost River; Valhallfonna; Seward Peninsula; Alaska
• Online Access: https://zenodo.org/record/5369862; https://doi.org/10.5281/zenodo.5369862

FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232. Collected from the Lost River Area on Seward Peninsula, Alaska, and previously identified as Triarthrus sp. (Ross, 1965). Arrow pointing to postpalpebral furrow. B. Anterior border of Cloacaspis ceryx anataphra (Fortey, 197...