Between brackets is the number of accepted species

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Shows the number of accepted species within the taxon
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- Mollusca (133 306)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 080)
- Class Caudofoveata (143)
- Class Cephalopoda (1 921)
- Subclass Coleoidea (1 150)
- Subclass Endoceratia † (34)
- Subclass Multiceratia † (307)
- Subclass Nautiloida (171)
- Subclass Orthoceratia † (216)
- Subclass Plectronoceratia † (16)
- Order Plectronoceratida † (16)
- Family Balkoceratidae Flower, 1964 † accepted as Plectronoceratidae Kobayashi, 1935 † (2)
- Family Plectronoceratidae Kobayashi, 1935 † (11)
- Genus Eodiaphragmoceras Chen & Qi, 1979 † accepted as Sinoeremoceras Kobayashi, 1933 †
- Genus Hunyuanoceras Chen & Teichert, 1983 † accepted as Sinoeremoceras Kobayashi, 1933 †
- Genus Jiagouceras Chen & Zou, 1979 † accepted as Sinoeremoceras Kobayashi, 1933 †
- Genus Lunanoceras Chen & Qi, 1979 † accepted as Sinoeremoceras Kobayashi, 1933 †
- Genus Multicameroceras Kobayashi, 1933 † accepted as Sinoeremoceras Kobayashi, 1933 †
- Genus Palaeoceras Flower, 1954 † (1)
- Genus Parapalaeoceras Li, 1984 † accepted as Sinoeremoceras Kobayashi, 1933 †
- Genus Paraplectronoceras Chen & Qi, 1979 † accepted as Sinoeremoceras Kobayashi, 1933 †
- Species Paraplectronoceras abruptum Chen & Qi, 1980 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Species Paraplectronoceras curvatum Chen & Qi, 1980 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Species Paraplectronoceras impromptum Chen & Zou, 1979 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Species Paraplectronoceras inflatum Chen & Zou, 1979 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Species Paraplectronoceras longicollum Chen & Qi, 1982 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Species Paraplectronoceras pandum Chen & Qi, 1982 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Species Paraplectronoceras parvum Chen & Qi, 1980 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Species Paraplectronoceras pyriforme Chen, Qi & Chen, 1979 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Species Paraplectronoceras suxianense Chen, Qi & Chen, 1979 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Species Paraplectronoceras vescum Chen & Qi, 1980 † accepted as Sinoeremoceras inflatum (Chen & Zou, 1979) †
- Genus Plectronoceras Ulrich & Foerste, 1933 † (1)
- Genus Sinoeremoceras Kobayashi, 1933 † (9)
- Genus Wanwanoceras Kobayashi, 1933 † accepted as Sinoeremoceras Kobayashi, 1933 †
- Family Protactinoceratidae Chen & Qi, 1979 † accepted as Plectronoceratidae Kobayashi, 1935 † (3)
- Order Protactinoceratida † accepted as Plectronoceratida †
- Order Yanheceratida †
- Subclass Tarphyceratia † (27)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (103 048)
- Class Lamellibranchiata accepted as Bivalvia
- Class Loricata accepted as Polyplacophora
- Class Mollusca incertae sedis † (372)
- Class Monoplacophora (229)
- Class Pelecypoda accepted as Bivalvia
- Class Polyplacophora (1 381)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (64)
- Class Scaphopoda (754)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata