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Molecular development of chondrichthyan claspers and the evolution of copulatory organs
The earliest known vertebrate copulatory organs are claspers, paired penis-like structures that are associated with evolution of internal fertilization and viviparity in Devonian placoderms. Today, only male chondrichthyans possess claspers, which extend from posterior pelvic fins and function as in...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Pub. Group
2015
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4403318/ https://www.ncbi.nlm.nih.gov/pubmed/25868783 http://dx.doi.org/10.1038/ncomms7698 |