Dyoros (Dyoros) hillanus Girty 1908 (lamp shell)

Strophomenata - Strophomenida - Rugosochonetidae

Alternative combination: Chonetes hillanus

Full reference: G. H. Girty. 1908. The Guadalupian fauna. United States Geological Survey Professional Paper 58:1-651

Belongs to Dyoros (Dyoros) according to G. A. Cooper and R. E. Grant 1975

Sister taxa: Dyoros (Dyoros) angulatus, Dyoros (Dyoros) attenuatus, Dyoros (Dyoros) consanguineus, Dyoros (Dyoros) convexus, Dyoros (Dyoros) endospinus, Dyoros (Dyoros) extensiformis, Dyoros (Dyoros) extensus, Dyoros (Dyoros) intrepidus, Dyoros (Dyoros) magnus, Dyoros (Dyoros) mucronata, Dyoros (Dyoros) planiextensus, Dyoros (Dyoros) pseudotrapezoidalis, Dyoros (Dyoros) robustus, Dyoros (Dyoros) spitzbergianus, Dyoros (Dyoros) subliratus, Dyoros (Dyoros) tenuis, Dyoros (Dyoros) transversus, Dyoros (Dyoros) vulgaris

Ecology: stationary epifaunal suspension feeder

Distribution:

• Permian of United States (12: New Mexico, Texas collections)

Total: 12 collections each including a single occurrence

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