After “WikiSpecies”
<==o †Pelagiellida |--o †Aldanellidae R.M. Linsley & W.M. Kier, 1984 | |--o †Aldanella V.A. Vostokova, 1962 | | |-- †A. attleborensis | | |-- †A. costata | | |-- †A. crassa | | |-- †A. iberica | | |-- †A. kolymica | | |-- †A. operosa | | |-- †A. patelliforma | | |-- †A. patelliformis | | |-- †A. polonica | | |-- †A. remota | | |-- †A. rozanovi | | |-- †A. utchurica | | `-- †A. yangjiaheensis | |--o †Barskovia S.N. Golubev, 1976 | | |-- †B. hemisymmetrica | | |-- †B. jucunda | | `-- †B. simplex | |-- †Nomgoliella V.V. Missarzhevsky, 1981 | |--o †Paraaldanella S.N. Golubev, 1976 | | `-- †P. kotuica | `-- †Philoxenella V.A. Vostokova, 1962 `--o †Pelagiellidae Knight, 1952 |-- †Cambretina R.J. Hornư, 1964 |--o †Costipelagiella R.J. Hornư, 1964 | |-- †C. kochi | `-- †C. zazvorkai |--o †Proeccyliopterus T. Kobayashi, 1939 | `-- †P. chronus |--o †Tannuspira V.V. Missarzhevsky, 1989 | `-- †T. magnifica `-- †Tianzhushanospira Wen Yu, 1979
Reference(s):
- Anonymous, 2006: Pelagiellida [visited: 2007-01-31]
–iNet: WikiSpecies: http://species.wikimedia.org/wiki/Pelagiellida