Caenoidea is a
superfamily
SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...
of
mayflies
Mayflies (also known as shadflies or fishflies in Canada and the upper Midwestern United States, as Canadian soldiers in the American Great Lakes region, and as up-winged flies in the United Kingdom) are aquatic insects belonging to the order ...
in the suborder
Pannota
Pannota is a suborder of mayflies. One of the differences between this suborder and its sister group Schistonota concerns the degree of fusion of the wing pads in the final-stage nymph; in Schistonota, the degree of fusion along the mesothorax is ...
. Members of this superfamily can be distinguished from those of
Ephemerelloidea by the fact that the gills of the nymphs are filamentous.
The following families are recognised:
*
Baetiscidae
Baetiscidae is a family of mayflies. It contains a single extant genus, ''Baetisca'', native to North America with around 12 species. The family is noted for their spined armoured larvae, which live in flowing water pools and on the edges of stre ...
*
Caenidae
Caenidae, or the small squaregill mayflies, is a family of insects consisting of 5 genera comprising 26 individual species. They are found throughout the world in lotic, depositional environments, and they are sprawlers. Caenids occur in quiet an ...
*
Neoephemeridae
*
Prosopistomatidae
Prosopistomatidae is a family of mayflies. There is one extant genus, '' Prosopistoma,'' with several dozen species found across Afro-Eurasia and Oceania. They are noted for their unusual beetle-shaped larvae, which live beneath rocks and stones ...
References
{{Taxonbar, from=Q10439230
Mayflies
Insect superfamilies