Journal
JOURNAL OF NATURAL HISTORY
Volume 57, Issue 45-48, Pages 2006-2027Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00222933.2023.2281030
Keywords
Ampithoe olokumae sp. n.; taxonomic key; South Atlantic Ocean
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In this study, a new species of Ampithoe from Brazil is described, which is associated with the sponge Clathria. The new species has unique characteristics in terms of mandibular palp, male gnathopod 1 propodus palm, and male gnathopod 2 propodus palm. Additionally, a taxonomic key to Ampithoe species worldwide is provided.
Ampithoe is one of the most diverse genera of Ampithoidae, commonly found in shallow waters associated with algae. This genus is distinguished by the absence of antenna 1 accessory flagellum, pereopods 5-7 not prehensile and uropod 1 spur absent. From Brazil, only four species are hitherto known, which are A. thaix, A. robustimana, A. ramondi and A. marcuzzii. In the present study, we describe a new species of Ampithoe from Todos-os-Santos Bay, Northeastern Brazil, found associated with the sponge Clathria. The new species is unique by showing mandibular palp thin and reduced, male gnathopod 1 propodus palm very short and setose, male gnathopod 2 propodus palm acute, with a tooth near hinge of dactylus. A taxonomic key to Ampithoe of the world is provided.
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