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Class Scaphopoda Bronn 1862 (tusk shell)

PaleoDB taxon number: 8166

Parent taxon: Mollusca according to L. W. Ward and B.W. Blackwelder 1987

Sister taxa: Acaenoplax, Acevina, Actinoconus, Aculopileus, Acutirostriconus, Aldanolina, Algomella, Anisomyaria, Aplacophora, Aulacotrochus, Aviculocephaloconus, Bagenoviella, Beroides, Bisulcus, Bivalvia, Calyptoptomatida, Cambroscutum, Caudofoveata, Centriconus, Cephalopoda, Chiton cottae, Codonoconus, Conchifera, Conchula, Corystos, Crestoconus, Cyrtostoma, Dingus, Diplacophora, Dysmea, Dysnoetopla, Ebianella, Eosoconus, Gastropoda, Granoconus, Gutticonus, Hamatoconus, Helcionelloida, Hemithecellitina, Huangshandogoconus, Huangshandongoconus, Hubeinella, Hyolitha, Kaschkadakia, Katunioides, Kepinospira, Khairkhaniidae, Khairkhaniiformes, Kimberella, Kraikchania, Kuanchuanella, Ladamarekiidae, Laticonus, Liantuoconus, Ligyrokala, Mackenziella, Maikhanellidae, Makarakia, Merismoconcha, Minymerisma, Nothamusium, Odontogriphus, Omalenlina, Palaeacmaea, Paragastropoda, Parascenella, Patelliconidae, Peotoconus, Pichynella, Polytropis, Porcaconus, Proconus, Pseudomatthevia, Rostroconchia, Sargaella, Scamboscamna, Scenellopsis, Serialia, Shabaktiella, Sichuanospira, Sinuconus, Solandangella, Solenogastres, Songlingella, Spatuloconus, Stenothecella, Stenothecoida, Sulcocarina, Tentaculita, Tergomya, Trunctoconus, Tuberoconus, Xilingxiaconus, Xinnanospira, Yangtzemerisma

Subtaxa: Dentaliida, Dentalioida, Dentaloidea, Gadilida, Solenoconchia, Throopella

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Ecology: slow-moving shallow infaunal deposit feeder