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Type: Articles
Published: 2012-10-23
Page range: 69–79
Abstract views: 55
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Redescription and notes on the reproductive biology of the sea anemone Urticina fecunda (Verrill, 1899), comb. nov. (Cnidaria: Actiniaria: Actiniidae)

Department of Evolution, Ecology and Organismal Biology, The Ohio State University (Ohio) 43210 USA
Society for the Exploration and Valuing of the Environment (SEVE), Portugal Cove-St. Philips (Newfoundland and Labrador) A1M 2B7 Canada
Department of Ocean Sciences (OSC), Memorial University, St. John’s (Newfoundland and Labrador) A1C 5S7 Canada
Coelenterata Brooding Epiactis Epigonactis

Abstract

The externally brooding sea anemone Epiactis fecunda (Verrill, 1899) is redescribed as Urticina fecunda, comb. nov., onthe basis of preserved type material and anatomical and behavioural observations of recently collected animals. The sea-sonal timing of reproduction and aspects of the settlement and development of brooded offspring are reported. Preciselocality data extend the bathymetric range to waters as shallow as 10 m, and the geographical range east to the AvalonPeninsula (Newfoundland, Canada). We differentiate it from other known northern, externally brooding species of seaanemone. Morphological characters, including verrucae, decamerous mesenterial arrangement, and non-overlapping sizesof basitrichs in tentacles and actinopharynx, agree with a generic diagnosis of Urticina Ehrenberg, 1834 rather than Epiactis Verrill, 1869.

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