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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Monoplacophora
Subclassis: Tergomya
Ordo: Tryblidiida
Familia: † Tryblidiidae
Genus: Tryblidium


Tryblidiidae is an extinct family of paleozoic monoplacophorans in the superfamily Tryblidioidea.

Genera in the family Tryblidiidae include:

Tryblidium Lindström, 1880. From Ordovician and Silurian.[2]
Drahomira Perner, 1903
Drahomira barrandei
Drahomira glaseri
Drahomira kriziana
Drahomira rugata
Helcionopsis Ulrich & Scofield, 1897
Pentalina Horný, 1961
Pentalina prantli Horný, 1961


von Zittel K. A. 1899. Text-book of Paleontology. 520 pp.
Dall W. H. 1913. Gastropods. In: Eastman C. R. Text Book of Paleontology edited by C. R. Eastman adapted from German of K. A. von Zittel, 2nd edition revised and enlarged by the editor in collaboration with the following named specialists: R.S. Bassler, W. H. Dall, C. D. Walcott. Volume 1. MacMillan & Co., London. xii + 839 pp. Page 521.

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