Checklist for Suborder Agnostina Salter, 1864
and region Middle Cambrian (Cambrian)
List of families for Middle Cambrian
13 Families width 237 Species and 4 Subspecies | Agnostidae M´Coy, 1849 | | 19 | Species | Taxom | | Ammagnostidae Öpik, 1967 | | 9 | Species | Taxom | | Clavagnostidae Howell, 1937 | | 11 | Species | Taxom | | Condylopygidae Raymond, 1913 | | 26 | Species | Taxom | | Diplagnostidae Whitehouse, 1936 | | 9 | Species | Taxom | | Doryagnostidae (SHERGOLD & al, 1990) | | 4 | Species | Taxom | | Hypagnostoidae Ivshin, 1953 | | 1 | Species | Taxom | | Metagnostidae Jaekel, 1909 | | 9 | Species | Taxom | | Peronopsidae Westergård, 1936 | Peronopsids | 83 | Species | Taxom | | Pseudagnostidae Whitehouse, 1936 | | 0 | Species | Taxom | | Ptychagnostidae Kobayashi, 1939 | | 56 | Species | Taxom | | Sphaeragnostidae Kobayashi, 1939 | | 1 | Species | Taxom | | Spinagnostidae Howell, 1935 | | 9 | Species | Taxom |
Subnodes of Agnostina with occurrences in Middle Cambrian
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