Edwardsia migottoi sp. nov., the first sea anemone species of Edwardsia de Quatrefages 1842 (Anthozoa: Actiniaria: Edwardsiidae) from the Southwestern Atlantic

Edwardsia migottoi sp. nov., a new species of burrowing anemone from the Southeast coast of Brazil, is described. It is also the first species of the genus reported from the Southwestern Atlantic. It is characterized by a rusty brown deciduous periderm, eight longitudinal rows of tubercles with nema...

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Bibliographic Details
Published in:Marine biodiversity 2018-09, Vol.48 (3), p.1313-1323
Main Authors: Gusmão, Luciana C., Brandão, Rafael A., Daly, Marymegan
Format: Article
Language:English
Subjects:
Animal Systematics/Taxonomy/Biogeography
Biodiversity
Biomedical and Life Sciences
Edwardsia
Edwardsiidae
Freshwater & Marine Ecology
Geographical distribution
Life Sciences
Marine invertebrates
Nematocysts
New species
Original Paper
Physical characteristics
Plant Systematics/Taxonomy/Biogeography
Stinging organs
Tentacles
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Description
Summary:Edwardsia migottoi sp. nov., a new species of burrowing anemone from the Southeast coast of Brazil, is described. It is also the first species of the genus reported from the Southwestern Atlantic. It is characterized by a rusty brown deciduous periderm, eight longitudinal rows of tubercles with nemathybomes, and nemathybomes with two types of nematocysts (pterotrichs and microbasic t -mastigophores). Edwardsia migottoi sp. nov. differs from other members of the genus by its number of tentacles, arrangement and cnida content of nemathybomes, musculature, and geographic distribution. The new species is the second member of the family Edwardsiidae Andres 1881 and the third species of burrowing sea anemone recorded from Brazil. The description of the new species lead to the recognition that the mesenterial morphology of the monotypic Pacific genus Metedwardsia Carlgren 1947 is unlike that of members of Edwardsiidae to which it belonged and similar to that of Halcampidae Andres 1883, resulting in its transfer to the latter family.
ISSN:1867-1616
1867-1624
DOI:10.1007/s12526-016-0585-z