ammonites
†order Mitrosagophora Bengtson 1970 (lamp shell)

Brachiopoda - Tommotiida

Full reference: S. Bengtson. 1970. The Lower Cambrian fossil Tommotia. Lethaia 3(4):363-392

Parent taxon: Tommotiida according to G. Li and S. Xiao 2004

Sister taxa: Hyolithelminthes, Jaycea, Kulparina, Lapworthellidae, Sunnaginiidae, Tannuolinidae

Subtaxa: Bercutia, Geresia, Kelanella, Lugoviella, Paterimitra, Porcauricula, Sonella, Tommotiidae

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Ecology: facultatively mobile epifaunal suspension feeder