Description of the Sea Anemone Anthopleura Thallia (Gosse 1854)

The inconspicuous intertidal sea anemone Anthopleura thallia is redescribed based on recent collections in England and Ireland. The redescription includes a complete account of the types and sizes of cnidae, and documents variability in colouration and pattern within and among populations. This is t...

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Bibliographic Details
Published in:Biology and environment : proceedings of the Royal Irish Academy 2012, Vol.112B (2), p.235-240
Main Authors: Daly, Marymegan, Picton, Bernard
Format: Article
Language:English
Subjects:
Anatomy
Anthopleura thallia
Anthozoa
Aulactinia
Biological taxonomies
Biology
Cnidaria
color
Intertidal zones
Irish literature
littoral zone
Marine
Mesentery
Natural history
redescriptions
Seas
Specimens
Zoology
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Summary:The inconspicuous intertidal sea anemone Anthopleura thallia is redescribed based on recent collections in England and Ireland. The redescription includes a complete account of the types and sizes of cnidae, and documents variability in colouration and pattern within and among populations. This is the first record of the species in Ireland. Anthopleura thallia is sympatric with the better-known and widespread species Aulactinia verrucosa, and the two may co-occur at a single site; they differ in colouration, reproductive biology, internal anatomy and the types of cnidae in the body.
ISSN:0791-7945
2009-003X
DOI:10.3318/BIOE.2012.10