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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Coleopterida
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Cucujiformia
Superfamilia: Tenebrionoidea

Familia: Pythidae
Genus: Sphalma
Species: S. quadricollis

Sphalma Horn, 1872
Type species

Sphalma quadricollis Horn, 1872, by monotypy


Horn, G.H. 1872: Descriptions of some new North American Coleoptera. Transactions of the American Entomological Society, 4: 143–152. BHL
Young, D.K. 1976: The systematic position of Sphalma quadricollis Horn (Coleoptera: Salpingidae: Pythini) as clarified by discovery of its larva. Coleopterists bulletin, 30: 227–232. JSTOR


Nomenclator Zoologicus

Sphalma is a genus of dead log beetles in the family Pythidae. There is one described species in Sphalma, S. quadricollis.[1][2][3]

"Sphalma Report". Integrated Taxonomic Information System. Retrieved 2019-09-24.
"Sphalma". GBIF. Retrieved 2019-09-24.

"Sphalma genus Information". Retrieved 2019-09-24.

Further reading

Horn, Geo.H. (1872). "Descriptions of some new North American Coleoptera". Transactions of the American Entomological Society. 4: 143–152. doi:10.2307/25076271. JSTOR 25076271.
Kubisz, Daniel; Iwan, Dariusz; Tykarski, Piotr (2014). Tenebrionoidea: Tetratomidae, Melandryidae, Ripiphoridae, Prostomidae, Oedemeridae, Mycteridae, Pythidae, Aderidae, Scraptiidae, Critical checklist, distribution in Poland and meta-analysis. University of Warsaw - Faculty of Biology & Natura optima dux Foundation. ISBN 978-83-935107-9-5.
Lobl, I.; Smetana, A., eds. (2013). Catalogue of Palaearctic Coleoptera, Volume 5: Tenebrionoidea. Apollo Books. ISBN 978-90-04-26090-0.

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