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Tryblidium
Taxonomy
Tryblidium was named by Angelin and Lindström (1880) [Sepkoski's age data: O Cara-l S Wenl Sepkoski's reference number: 1]. It is not extant. Its type is Tryblidium reticulatum.
It was corrected as Triblidium by Koken (1897).
It was assigned to Gastropoda by Koken (1897); to Tryblidiinae by Knight and Yochelson (1960); to Tryblidiidae by Starobogatov (1970), Runnegar and Jell (1976); to Monoplacophora by Sloan and Webers (1987); and to Tryblidiida by Sepkoski (2002).
It was corrected as Triblidium by Koken (1897).
It was assigned to Gastropoda by Koken (1897); to Tryblidiinae by Knight and Yochelson (1960); to Tryblidiidae by Starobogatov (1970), Runnegar and Jell (1976); to Monoplacophora by Sloan and Webers (1987); and to Tryblidiida by Sepkoski (2002).
Species
T. (Pilina), T. arctica, T. erato, T. eubule, T. exserta, T. hyrie, T. modestum, T. niobe, T. nycteis, T. ovale, T. ovatum, T. reticulatum (type species), T. rugosum, T. simplex, T. thorsteinssoni