Sirenidae in a sentence
1. The third suborder, Sirenoidea, contains the four species of sirens, which are in a single family, Sirenidae.
2. Certain primitive salamanders in the families Sirenidae, Hynobiidae and Cryptobranchidae practice external fertilisation in a similar manner to frogs, with the female laying the eggs in water and the male releasing sperm onto the egg mass.
3. The position of the Sirenidae is disputed, but the position as sister to the Salamandroidea best fits with the molecular and fossil evidence.
4. Sirenidae, the sirens, are a family of aquatic salamanders.
5. The siren family (Sirenidae) is subdivided into five genera, three extinct, and two extant with two and three extant species, respectively:
6. Within this, the only subgroups that externally fertilize are Cryptobranchidae (giant salamanders) Sirenidae, and Hynobiidae.
7. The same is true of amphibians – caecilians, Sirenidae (a clade of salamanders that are limbless except for atrophied front limbs), Amphiumidae (a clade of salamander with extremely atrophied limbs that appear non-functional) and at least three extinct groups (Aïstopoda, Lysorophia, and Adelospondyli).
8. Sirenidae are a family of aquatic salamanders only found in northern Mexico and the Southeastern United States.
9. Siren is a genus of aquatic salamanders of the family Sirenidae.
10. Like other members of the Sirenidae, the northern dwarf siren is aquatic and gilled throughout its life.
11. They are present on non-transforming salamander species, such as most members of the family Proteidae (the olm and mudpuppies) and the family Sirenidae, which naturally never metamorphose into an air-breathing form.
12. Other, more distantly related salamander families also contain fully or in part aquatic species, such as the mole salamanders, the Proteidae, or the Sirenidae.
13. For the duck-billed dinosaur, see Hadrosaurus Habrosaurus is an extinct genus of prehistoric salamanders, and the oldest known member of the family Sirenidae.
14. It was originally placed in the family Sirenidae.
15. The same is true of amphibians – caecilians, Sirenidae (a clade of salamanders that are limbless except for atrophied front limbs), Amphiumidae (a clade of salamander with extremely atrophied limbs that appear non-functional) and at least three extinct groups (Aïstopoda, Lysorophia, and Adelospondyli).
16. Family: Sirenidae.
17. Family: Sirenidae.
- 8 to 75 centimetres
- 3 to 30 inches
- 150 centimetres
- 4.9 feet
- Central and South America
- the hind feet