832 Report oF THE STATE GEOLOGIST. 
Rhynchopora, King. 1856. 
(Plate 44, figs. 26-29.) 
Synonym; hynchoporina, Ehlert, 1887. 
Plicate rhynchonellids with punctate shell substance. Teeth 
supported by conspicuous lamellx; hinge-plate medially divided 
and without cardinal process. 
Type, Rhynchopora Geinitziana, de Verneuil (sp.). 
Distribution. Carboniferous — Permian. 
Halorella, Bittner. 1890. 
Rhynchonellids with median depression on both valves, 
sharply defined false cardinal area, and depressed, subauriculate 
cardinal extremities. 
Fies. 418-420.— Halorella amphitoma, Bronn (sp.). (BITTNER.) 
Type, Halorella amphitoma, Bronn (sp.). 
Distribution. Triassic. 
Austriella, Bittner. 1890. 
Rhynchonellids of small size with smooth shells, sometimes 
faintly plicated about the margins. 
0, 
Fia. 421-424. —Austriella dilatata, Suess (sp.). (BITTNER.) 
Type, Austriella dilatata, Suess (sp.). 
Distriubtion. Triassic. 
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