Pene (Spanish Wikipedia)

«Hemipenes of snakes and lizards». University of Colorado Boulder Museum of Natural History. Archivado desde el original el 26 de agosto de 2015. Consultado el 23 de agosto de 2015.

doi.org (Global: 2^nd place; Spanish: 2^nd place)

dx.doi.org

Johnston, S.D.; Smith, B.; Pyne, M.; Stenzel, D.; Holt, W.V. (2007). «One‐Sided Ejaculation of Echidna Sperm Bundles». The American Naturalist 170 (6): E162-E164. PMID 18171162. doi:10.1086/522847.
Riedelsheimer, B.; Unterberger, Pia; Künzle, H.; Welsch, U. (November 2007). «Histological study of the cloacal region and associated structures in the hedgehog tenrec Echinops telfairi». Mammalian Biology 72 (6): 330-341. doi:10.1016/j.mambio.2006.10.012.
Schultz, Nicholas G.; Lough-Stevens, Michael; Abreu, Eric; Orr, Teri; Dean, Matthew D. (1 de junio de 2016). «The Baculum was Gained and Lost Multiple Times during Mammalian Evolution». Integrative and Comparative Biology (en inglés) 56 (4): 644-56. ISSN 1540-7063. PMC 6080509. PMID 27252214. doi:10.1093/icb/icw034.
Brennan, Patricia L.R. (January 2016). «Evolution: One Penis After All». Current Biology 26 (1): R29-R31. ISSN 0960-9822. PMID 26766229. doi:10.1016/j.cub.2015.11.024.
Brennan, P.L.R.; Prum, R.O.; Hayssen, Virginia (February 2012). «The erection mechanism of the ratite penis». Journal of Zoology 286 (2): 140-144. doi:10.1111/j.1469-7998.2011.00858.x.
Adler, M. (2010). «Sexual Conflict in Waterfowl: Why do Females Resist Extrapair Copulations?». Behavioral Ecology 21: 182-192. doi:10.1093/beheco/arp160.

elasmo.de (Global: low place; Spanish: low place)

Fortpflanzung von Haien, Rochen und Chimären. Innere Befruchtung. Deutsche Elasmobranchier-Gesellschaft (D.E.G.)

issn.org (Global: 57^th place; Spanish: 3^rd place)

portal.issn.org

Schultz, Nicholas G.; Lough-Stevens, Michael; Abreu, Eric; Orr, Teri; Dean, Matthew D. (1 de junio de 2016). «The Baculum was Gained and Lost Multiple Times during Mammalian Evolution». Integrative and Comparative Biology (en inglés) 56 (4): 644-56. ISSN 1540-7063. PMC 6080509. PMID 27252214. doi:10.1093/icb/icw034.
Brennan, Patricia L.R. (January 2016). «Evolution: One Penis After All». Current Biology 26 (1): R29-R31. ISSN 0960-9822. PMID 26766229. doi:10.1016/j.cub.2015.11.024.

iucnredlist.org (Global: 88^th place; Spanish: 67^th place)

ADW - University of Michigan Museum of Zoology. «Craseonycteris thonglongyai - Physical Description» (en inglés). Consultado el 8 de agosto de 2012.

karger.com (Global: 4,489^th place; Spanish: 3,175^th place)

Gredler, Marissa L., et al. "Evolution of external genitalia: insights from reptilian development." Sexual Development 8.5 (2014): 311-326.

lavozdegalicia.es (Global: 1,732^nd place; Spanish: 151^st place)

Ventureira, Rubén (6 de octubre de 2007). «La leyenda del percebe se achica». La Voz de Galicia. Consultado el 7 de diciembre de 2020. «Los mariscadores gallegos han contribuido a alimentar lo que es una leyenda marina: el descomunal tamaño del pene del percebe... En erección, [el pene del percebe] no se multiplica por 40, ni por 10, ni siquiera por dos. Por uno y medio, aproximadamente.»

mapoflife.org (Global: low place; Spanish: low place)

«Baculum (penile bone) in mammals». Map of Life. Consultado el 23 de agosto de 2015.

maricopa.edu (Global: low place; Spanish: low place)

pc.maricopa.edu

«Urogenital Anatomy of the Dogfish Shark». Maricopa Community Colleges. Consultado el 23 de agosto de 2015.

nih.gov (Global: 4^th place; Spanish: 4^th place)

ncbi.nlm.nih.gov

Johnston, S.D.; Smith, B.; Pyne, M.; Stenzel, D.; Holt, W.V. (2007). «One‐Sided Ejaculation of Echidna Sperm Bundles». The American Naturalist 170 (6): E162-E164. PMID 18171162. doi:10.1086/522847.
Schultz, Nicholas G.; Lough-Stevens, Michael; Abreu, Eric; Orr, Teri; Dean, Matthew D. (1 de junio de 2016). «The Baculum was Gained and Lost Multiple Times during Mammalian Evolution». Integrative and Comparative Biology (en inglés) 56 (4): 644-56. ISSN 1540-7063. PMC 6080509. PMID 27252214. doi:10.1093/icb/icw034.
Brennan, Patricia L.R. (January 2016). «Evolution: One Penis After All». Current Biology 26 (1): R29-R31. ISSN 0960-9822. PMID 26766229. doi:10.1016/j.cub.2015.11.024.

phallus.is (Global: low place; Spanish: low place)

«La Faloteca Islandesa». Consultado el 8 de agosto de 2012.

rae.es (Global: 160^th place; Spanish: 9^th place)

dle.rae.es

Real Academia Española. «falo». Diccionario de la lengua española (23.ª edición).
Real Academia Española. «miembro». Diccionario de la lengua española (23.ª edición).
Real Academia Española. «pene». Diccionario de la lengua española (23.ª edición).
Real Academia Española. «peniano». Diccionario de la lengua española (23.ª edición).

researchgate.net (Global: 120^th place; Spanish: 124^th place)

Riedelsheimer, B.; Unterberger, Pia; Künzle, H.; Welsch, U. (November 2007). «Histological study of the cloacal region and associated structures in the hedgehog tenrec Echinops telfairi». Mammalian Biology 72 (6): 330-341. doi:10.1016/j.mambio.2006.10.012.

umich.edu (Global: 459^th place; Spanish: 383^rd place)

animaldiversity.ummz.umich.edu

ADW - University of Michigan Museum of Zoology. «Suncus etruscus - Physical Description» (en inglés). Consultado el 8 de agosto de 2012.

web.archive.org (Global: 1^st place; Spanish: 1^st place)

«Hemipenes of snakes and lizards». University of Colorado Boulder Museum of Natural History. Archivado desde el original el 26 de agosto de 2015. Consultado el 23 de agosto de 2015.
McCracken, Kevin G. (2000): "The 20-cm Spiny Penis of the Argentine Lake Duck (Oxyura vittata)". The Auk, 117(3) p.820–825. PDF

yale.edu (Global: 565^th place; Spanish: 617^th place)

prumlab.yale.edu

Brennan, P.L.R.; Prum, R.O.; Hayssen, Virginia (February 2012). «The erection mechanism of the ratite penis». Journal of Zoology 286 (2): 140-144. doi:10.1111/j.1469-7998.2011.00858.x.

Pene (Spanish Wikipedia)

anapsid.org (Global: low place; Spanish: low place)

archive.org (Global: 6th place; Spanish: 5th place)

books.google.com (Global: 3rd place; Spanish: 7th place)

britannica.com (Global: 40th place; Spanish: 52nd place)

colorado.edu (Global: 2,526th place; Spanish: 3,009th place)

cumuseum.colorado.edu

doi.org (Global: 2nd place; Spanish: 2nd place)

dx.doi.org

elasmo.de (Global: low place; Spanish: low place)

issn.org (Global: 57th place; Spanish: 3rd place)

portal.issn.org

iucnredlist.org (Global: 88th place; Spanish: 67th place)

karger.com (Global: 4,489th place; Spanish: 3,175th place)

lavozdegalicia.es (Global: 1,732nd place; Spanish: 151st place)

mapoflife.org (Global: low place; Spanish: low place)

maricopa.edu (Global: low place; Spanish: low place)

pc.maricopa.edu

nih.gov (Global: 4th place; Spanish: 4th place)

ncbi.nlm.nih.gov

phallus.is (Global: low place; Spanish: low place)

rae.es (Global: 160th place; Spanish: 9th place)

dle.rae.es

researchgate.net (Global: 120th place; Spanish: 124th place)

umich.edu (Global: 459th place; Spanish: 383rd place)

animaldiversity.ummz.umich.edu

web.archive.org (Global: 1st place; Spanish: 1st place)

yale.edu (Global: 565th place; Spanish: 617th place)

prumlab.yale.edu

archive.org (Global: 6^th place; Spanish: 5^th place)

books.google.com (Global: 3^rd place; Spanish: 7^th place)

britannica.com (Global: 40^th place; Spanish: 52^nd place)

colorado.edu (Global: 2,526^th place; Spanish: 3,009^th place)

doi.org (Global: 2^nd place; Spanish: 2^nd place)

issn.org (Global: 57^th place; Spanish: 3^rd place)

iucnredlist.org (Global: 88^th place; Spanish: 67^th place)

karger.com (Global: 4,489^th place; Spanish: 3,175^th place)

lavozdegalicia.es (Global: 1,732^nd place; Spanish: 151^st place)

nih.gov (Global: 4^th place; Spanish: 4^th place)

rae.es (Global: 160^th place; Spanish: 9^th place)

researchgate.net (Global: 120^th place; Spanish: 124^th place)

umich.edu (Global: 459^th place; Spanish: 383^rd place)

web.archive.org (Global: 1^st place; Spanish: 1^st place)

yale.edu (Global: 565^th place; Spanish: 617^th place)