Gasterosteiformes
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{{Taxobox
| color = pink
| name = Gasterosteiformes
| image = Gasterosteus aculeatus.jpg
| image_width = 250px
| image_caption = Three-spined sticklebacks, Gasterosteus aculeatus
| regnum = Animalia
| phylum = Chordata
| classis = Actinopterygii
| ordo = Gasterosteiformes
| subdivision_ranks = Families
| subdivision =
Aulorhynchidae
Gasterosteidae
Hypoptychidae
Indostomidae
Pegasidae
}}
Gasterosteiformes is an order of ray-finned fishes that includes the sticklebacks and sea moths.<ref>Template:FishBase order</ref>
In the gasterosteiformes, the pelvic girdle is never attached to the cleithra directly, and the supramaxillary, orbitosphenoid, and basisphenoid bones are absent. The body is often partly or completely covered with dermal plates.
The name "Gasterosteiformes" means "stomach bone shaped"; it is derived from Greek gaster meaning "stomach", osteon meaning "bone" and Latin forma meaning "shape".
Classification
In Nelson<ref>Template:Cite book</ref> and ITIS<ref>Template:ITIS</ref> Gasterosteiformes includes the sea horses and pipefishes, as the suborder Syngnathoidei, with the sticklebacks and relatives in the suborder Gasterosteoidei. In FishBase<ref>Template:FishBase order</ref> these groups are included in their own order, Syngnathiformes.
FishBase lists five families:
- Aulorhynchidae (tubesnouts and tubenoses)
- Gasterosteidae (sticklebacks)
- Hypoptychidae (sand eels)
- Indostomidae<ref name="Indostomidae">Indostomidae and Pegasidae are included in Syngnathoidei (corresponding to Syngnathiformes) in ITIS, but in Gasterosteiformes in FishBase.</ref>
- Pegasidae (dragonfishes and sea moths)<ref name="Indostomidae"/>
References
<references/>
External links
- Gasterosteiformes entry on Animal Diversity Webde:Stichlingsartige
fr:Gasterosteiformes lt:Dygliažuvės ja:トゲウオ目 no:Stiklingfisker pl:Ciernikokształtne pt:Gasterosteiformes