Brachycnemina
Brachycnemina is a suborder of zoanthids in the order Zoantharia. Genetic analysis has been used to suggest Brachycnemina is a monophyletic group Genetic divergence, diverging within the paraphyletic Macrocnemina. Characteristics Brachycnemia species habitate most environments, ranging from shallow tropical reefs to cold seeps in the deep sea. It forms large colonies on intertidal and shallow Fringing reef, reef crests. Due to the members of this suborder being loosely collected, there are no standard characteristics uniting them besides slight Morphology (biology), morphological, ecology, ecological and phylogenetic differences. Subdivisions This suborder counts with 3 taxonomic families, namely Neozoanthidae, which is monogeneric; Sphenopidae, which includes sand-encrusted and colonial specimens like the commonly found ''Palythoa'' and ''Sphenopus'', itself found in a few discrete areas; and Zoanthidae, whose belonging species do not show sand encrustation. A total of 6 known g ...
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