Osmeriformes |
Rainbow Smelt, Osmerus mordax
|
Scientific classification |
|
Suborders |
Argentinoidei
Osmeroidei
See text for families. |
Osmeriformes is an
order of
ray-finned fish that includes various kinds of smelts,
noodlefishes, and the odd-looking barreleyes. The order consists of fourteen families with
about 240 species total.
Characteristics of the order include the maxilla in the
gape of the mouth, radii absent from the scales, and loss of
the basisphenoid and orbitosphenoid bones. Almost all
osmeriforms spawn in fresh water, but many are anadromous and found in temperate oceans worldwide.
The
Argentinoidei are characterized by the presence of a
crumenal organ, consisting of additional cartilage and gill
rakers on the 5th ceratobranchial, while the Osmeroidea are
notable for having their eggs surrounded by an adhesive
membrane. Some classifications split the Argentinoidei
genera Holtbyrnia, Maulsia, and Pellisolus out of the
Platytroctidae family and into their own family called
Searsiidae.
Classification
- Suborder
Argentinoidei
- Superfamily
Alepocephaloidea
- Alepocephalidae (slickheads)
Leptochilichthyidae
Platytroctidae
- Superfamily
Argentinoidea
- Argentinidae (herring smelts)
Bathylagidae (deep-sea smelts)
Microstomatidae
Opisthoproctidae (barreleyes)
- Suborder
Osmeroidei
- Superfamily
Galaxoidea
- Galaxiidae
Lepidogalaxiidae (salamanderfishes)
Retropinnidae (New Zealand smelts)
- Superfamily
Osmeroidea
- Osmeridae (smelts)
Plecoglossidae (ayu fishes)
Salangidae (noodlefishes)
References
-
"Osmeriformes".
FishBase. Ed. Ranier Froese and Daniel Pauly.
January 2006 version. N.p.: FishBase, 2006.
-
Osmeriformes (TSN 553133).
Integrated Taxonomic Information System.
-
J. S. Nelson,
Fishes of the World