†Howellella cycloptera Hall 1857 (lamp shell)
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Rhynchonellata - Spiriferida - Delthyrididae
Alternative combination: Spirifer cycloptera
Belongs to Howellella according to T. W. Amsden 1958
Sister taxa: Howellella (Hysterohowellella), Howellella anglica, Howellella crispa, Howellella elegans, Howellella porcata, Howellella subinsignis, Howellella textilis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of United States (6: Nevada, New York, Oklahoma collections)
• Silurian to Devonian of United States (1: Oklahoma)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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