Monograptus sp.?

Kingdom: Animalia Phylum: Hemichordata Class: Pterobranchia Subclass: Graptolithina Order: Graptoloidea Family: Monograptidae Genus: Monograptus (Geinitz, 1852) Proximal, mesial and distal thecae are visible. Proximal thecae are hooked that are reduced to dorsal hoods in the mesial and distal thecae. Thecal overlap is quite extensive in the distal thecae. Inclined thecal tubes. Proximal 2TRD is 1.9 mm that decreases to 1.7 mm mesially, then increases to 2.0 mm distally. Rhabdosome is straight with a gradual increase in width from the proximal end 1.2 mm to the distal end 1.8 mm. No sicula present.