Litoria xanthomera in the amplexus
Amplexus ( lat. Amplexus “hug”) is a form of pseudocopulation observed in amphibians and horseshoe crabs , during which the male embraces the female with its forelimbs. At the same time, or with some delay, he fertilizes with his sperm caviar, which the female lays. Fossil finds indicate that some representatives of Cambrian extinct arthropods (for example, ) also reproduced by the method of amplexus [1] .
Content
- 1 Description
- 2 notes
- 3 References
- 4 Literature
Description
Ordinary toads in the amplexus
In most amphibians, the amplexus occurs in water, and in horseshoe crabs on land. There are different types of amplexus, classified by the relative positions of male and female [2] .
Types of amplexus:
- Inguinal
- Axillary
- Head
- Covering
- Glue
- Independent position
Notes
- ↑ Collette J. H., Gass K. C., Hagadorn J. W. Protichnites eremita unshelled? Experimental model-based neoichnology and new evidence for a euthycarcinoid affinity for this ichnospecies // Journal of Paleontology. - 2012. - Vol. 86. - P. 442–454.
- ↑ Grzimek, 2003 , p. 65.
Links
Literature
- Grzimek B. Grzimek's Animal Life Encyclopedia. 2nd edition. Vol. 6. Amphibians . - Farmington Hills: Gale Group, 2003 .-- 590 p. - ISBN 0-7876-5362-4 . (inaccessible link)