Hydromedion

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Cucujiformia
Superfamilia: Tenebrionoidea

Familia: Promecheilidae
Genus: Hydromedion
Species: H. anomocerum – H. elongatum – H. magellanicum – H. sparsutum – H. variegatum
Name

Hydromedion Waterhouse, 1876
Gender

neuter
Synonyms

Mylops Fairmaire, [1884] [syn. Fairmaire (1885: 50)]
Thalassogeton Behrens, 1887

[synonyms after Watt (1970: 248–249)]
Type species

Hydromedion Waterhouse: Hydromedion elongatum Waterhouse, 1876
Mylops Fairmaire: Mylops magellanicus Fairmaire, [1884], by monotypy
Thalassogeton Behrens: Thalassogeton wilkensi Behrens, 1887 [=Mylops sparsutum Müller, 1884], by monotypy

References
cited sources

Behrens, W.J. 1887: Zwei neue Pythiden. Stettiner Entomologische Zeitung, 48: 18–22. Internet Archive BHL
Fairmaire, L. 1885: Liste des Coléoptères recueillis a la Terre de Feu par la Mission de la Romanche et description des espèces nouvelles. Annales de la Société entomologique de France (6), 5: 33–62. Internet Archive BHL
Waterhouse, C.O. 1876: On some new genera and species of heteromerous Coleoptera (Helopidae) from Tierra del Fuego. Transactions of the Entomological Society of London, 1875: 331–337. Internet Archive BHL
Watt, J.C. 1970: Coleoptera: Perimylopidae of South Georgia. Pacific insects monograph, 23: 243–253. PDF

Additional references

Kulzer, H. 1963: Die Helopinen des antarktischen Gebiets (Col. Tenebr.) (26. Beitrag zur Kenntnis der Tenebrioniden). Entomologische Arbeiten aus dem Museum G. Frey, 14: 600–629. [not seen]

Links

ION search for Hydromedion
ION search for Mylops
ION search for Thalassogeton
Nomenclator Zoologicus search for Hydromedion
Nomenclator Zoologicus search for Mylops
Nomenclator Zoologicus search for Thalassogeton