†subfamily Undulellinae Cooper and Grant 1975 (lamp shell)

Strophomenata - Strophomenida - Rugosochonetidae

Parent taxon: Rugosochonetidae according to A. Williams et al. 2000

Sister taxa: Capillomesolobinae, Chonetinellinae, Delepineinae, Lamellosiinae, Plicochonetinae, Quinquenellinae, Riosanetinae, Rugosochonetinae, Striochonetinae, Svalbardiinae

Subtaxa: Micraphelia Subtilichonetes Undulella

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Permian of Japan (1 collection), Malaysia (2), the Russian Federation (5), Tajikistan (1), United States (60: New Mexico, Texas)

Total: 69 collections including 85 occurrences

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