ammonites
Cyrolexis Grant 1965 (lamp shell)

Rhynchonellata - Rhynchonellida - Psilocamaridae

Synonyms: Zhejiangella Liang 1982, Zhejiangellina Liang 1990

Full reference: R. E. Grant. 1965. The brachiopod superfamily Stenoscismatacea. Smithsonian Miscellaneous Contributions 148(2):1-192

Parent taxon: Cyrolexinae according to A. Williams et al. 2002

Sister taxa: Callaiapsida, Careoseptum, Curuckamara, Septacamarella, Ussuricamara

Subtaxa: Cyrolexis beccojectus, Cyrolexis enneaplicata, Cyrolexis grabaui, Cyrolexis haquei, Cyrolexis nonakai, Cyrolexis octoplicata, Cyrolexis superstes, Cyrolexis ussuricum, Cyrolexis zhongliangshanensis

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Type: Cyrolexis haquei

Ecology: stationary epifaunal suspension feeder