†Mexicella obscurus Palmer and Halley 1979 (trilobite)
Click image to enlarge. Click to access iDigBio record.
Alternative combination: Syspacephalus obscurus
Full reference: A. R. Palmer and R. B. Halley. 1979. Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin. United States Geological Survey Professional Paper 1047:1-131
Belongs to Mexicella according to F. A. Sundberg 2004
See also Palmer and Halley 1979
Sister taxa: Mexicella antelopea, Mexicella grandoculus, Mexicella granulata, Mexicella mexicana, Mexicella robusta, Mexicella stator
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Cambrian of United States (2: California collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.