Cryptobranchidae in a sentence
1. 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.
2. A member of the family Cryptobranchidae, the hellbender is the only extant member of the genus Cryptobranchus.
3. The Cryptobranchidae are a family of fully aquatic salamanders commonly known as the giant salamanders.
4. Clade Pancryptobrancha (Cryptobranchidae + Ukrainurus) Extant species in the family Cryptobranchidae are the modern-day members of a lineage that extends back millions of years;
5. Little has changed in the morphology of the Cryptobranchidae since the time of these fossils, leaving researchers to note "extant cryptobranchid salamanders can be regarded as living fossils whose structures have remained little changed for over 160 million years."
6. As the fossil record for the Cryptobranchidae shows an Asian origin for the family, how these salamanders made it to the eastern US has been a point of scientific interest.
7. They are closely related to the giant salamanders (family Cryptobranchidae), with which they form the suborder Cryptobranchoidea.
8. Within this, the only subgroups that externally fertilize are Cryptobranchidae (giant salamanders) Sirenidae, and Hynobiidae.
9. The Japanese giant salamander (Andrias japonicus) is a species of salamander in the family Cryptobranchidae.
10. There are currently only five known members of the family Cryptobranchidae: the Japanese, Chinese, and South China giant salamanders, an undescribed Andrias species from eastern China, and the hellbender (Cryptobranchus alleganiensis).
11. It has also been given the moniker of "living fossil" for being part of the family Cryptobranchidae which dates back 170 million years.
12. Some species of the fully aquatic family Cryptobranchidae are known as giant salamanders due to their large size.
13. However, Piceoerpeton is unrelated to the Cryptobranchidae;
14. The following letters indicate the likelihood of finding each animal in West Virginia: In addition, the IUCN classifies one of these species as endangered EN and six as near-threatened NT. Family Cryptobranchidae (giant salamanders) Family Proteidae (waterdogs and mudpuppies) Family Ambystomatidae (mole salamanders) Family Salamandridae (true salamanders) Family Plethodontidae (lungless salamanders) Family Scaphiopodidae (American spadefoot toads) Family Bufonidae (true toads) Family Hylidae (tree frogs and allies) Family Ranidae (true frogs)
15. Family: Cryptobranchidae.
16. Family Rhacophoridae — flying frogs or Afro-Asian treefrogs Subfamily Buergeriinae Subfamily Rhacophorinae Family Cryptobranchidae — giant salamanders.
17. By using the ddRADseq method scientists found new sex-related loci in a 56 Gb genome of the family Cryptobranchidae.
18. This final step led to the demonstration of female heterogamety of several divergent populations of the family Cryptobranchidae.
19. Two distinct members of the family Cryptobranchidae, also known as "giant salamanders," are found in the United States, the eastern hellbender (Cryptobranchus a. alleganiensis), and the Ozark hellbender (Cryptobranchus a. bishopi).
- each rainy season
- Rana sylvatica
- about two weeks