Siphlonuridae
| Siphlonuridae | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Ephemeroptera |
| Suborder: | Schistonota |
| Superfamily: | Baetoidea |
| Family: | Siphlonuridae |
Siphlonuridae, also known as the primitive minnow mayfly is a family of insects belonging to the order
Ephemeroptera. They are adapted to cool waters.[2]
Taxonomy
The family is divided into the following extant
genera:[3]
- Ameletoides Tillyard, 1933
- Edmundsius Day, 1953
- Parameletus Bengtsson, 1908
- Siphlonisca Needham, 1909
- Siphlonurus Eaton, 1868
Family overview
The labrum (upper lip) is not notched in the middle; the antennae are shorter than twice the width of the head; the maxillae on the underside of the head lack prominent rows of golden spines; the abdominal gills are rounded and similar to each other in structure; three long slender filaments at the end of the body are about equally long.[4]