Document of bibliographic reference 301128

BibliographicReference record

Type

Bibliographic resource

Type of document

Journal article

BibLvlCode

AS

Title

Giant eggs in the gastropod Aforia obesa (Conoidea: Cochlespiridae) in Southwestern Atlantic deep-waters

Abstract

Egg capsules and adults of Aforia obesa Pastorino and Sánchez, 2016 were collected at the Mar del Plata Submarine Canyon in the Argentine continental slope at 780–1398 m depth during 2012 and 2013. Egg capsules were iridescent white, dome-shaped, solitary with tough and thick walls. The capsule diameter was 8.5–12 mm. The uncleaved eggs with a diameter of 1.6–1.9 mm (X = 1.8 ± 0.1 mm) confirm a previous report for the genus and are by far the largest eggs known within Conoidea and, as far as we know, the largest ever described among Caenogastropoda from the Southwestern Atlantic. Embryos undergo complete intracapsular development with no evidence of oophagy, adelphophagy, late cannibalism, or other supplementary food. Young emerge as crawling juveniles throughout an elliptic and transparent exit hole in the top center of the egg capsule.

WebOfScience code

https://www.webofscience.com/wos/woscc/full-record/WOS:000449120200010

Bibliographic citation

Sánchez, N.; Pastorino, G.; Penchaszadeh, P.E. (2018). Giant eggs in the gastropod Aforia obesa (Conoidea: Cochlespiridae) in Southwestern Atlantic deep-waters. Zool. Anz. 276: 94-99. https://dx.doi.org/10.1016/j.jcz.2018.07.006

Topic

Marine

Is peer reviewed

true