Reproduction and developmental stages in the crinoid Isometra vivipara Mortensen, 1917 from the southwestern Atlantic

Autor: Renata Micaela Pertossi, Mariano Ignacio Martinez, Pablo E. Penchaszadeh, Martin Ignacio Brogger

Publikováno v: Polar Biology. 42:807-816

Isometra vivipara Mortensen, 1917, which was described one hundred years ago, represents a particular case within the feather stars of the southwestern Atlantic Ocean. This is a dioecious species in which the oocytes are fertilized in the ovary and n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c9f041ba7d436aa19a4e0ac4690a2a7
https://doi.org/10.1007/s00300-019-02477-5

Echinoderms in San Matías Gulf, Southwestern Atlantic Ocean

Autor: Lorena P. Arribas, Martin Ignacio Brogger, Mariano Ignacio Martinez

Publikováno v: Thalassas: An International Journal of Marine Sciences. 32:11-18

Echinoderms are often of ecological importance in intertidal and subtidal waters, especially as predators and herbivores but also as prey. Several groups of echinoderms respond in a different way to environmental variables, contributing to some of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d01ca1b399583886ba91d8e14e672fb
https://doi.org/10.1007/s41208-015-0002-6

The peristomial plates of ophiuroids (Echinodermata: Ophiuroidea) highlight an incongruence between morphology and proposed phylogenies

Autor: Martin Ignacio Brogger, Iain C. Wilkie

Publikováno v: PLoS ONE
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
PLoS ONE, Vol 13, Iss 8, p e0202046 (2018)

The peristomial plates are skeletal components of the interbrachial frame (or mouth frame), which is located below the true mouth of ophiuroids. Whilst the peristomial plates were extensively described and used as diagnostic characters by some early

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::951a9a31e66af4f051521822c10d07fe
http://europepmc.org/articles/PMC6084971

Aboral brooding in the deep water sea star Ctenodiscus australis Lütken, 1871 (Asteroidea) from the Southwestern Atlantic

Autor: Martin Ignacio Brogger, Pablo E. Penchaszadeh, Pamela Ruth Rivadeneira

Different stages of development and growth were found in the dorsal surface under the paxillae of Ctenodiscus australis. The maximum number of broods found per specimen was 73 and in some cases different stages were observed on the same female. Oocyt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f57e7d9591efaea99f8c96f6f53de28
https://www.sciencedirect.com/science/article/pii/S0967063716304435

Reproduction of Ophioplocus januarii (Echinodermata: Ophiuroidea): a continuous breeder in northern Patagonia, Argentina

Autor: Martin Ignacio Brogger, Soledad Zabala, Mariano Ignacio Martinez, Pablo E. Penchaszadeh

Publikováno v: Aquatic Biology, Vol 19, Iss 3, Pp 275-285 (2013)
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

We studied the reproduction of Ophioplocus januarii from Playa Villarino (42° 24 S, 64° 17 W), based on monthly samples collected between April 2005 and April 2007. Gonad indices were generally synchronous for males and females with little seasonal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e85039ebd1102874f6960d6c08a3467
https://www.int-res.com/abstracts/ab/v19/n3/p275-285/