New observations on the rarely reported tropical dinoflagellates Tripos lanceolatus and T. schroeteri from the Colombian Caribbean, South Pacific and Indian Oceans - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Botanica Marina Année : 2023

New observations on the rarely reported tropical dinoflagellates Tripos lanceolatus and T. schroeteri from the Colombian Caribbean, South Pacific and Indian Oceans

Luis Castro-Cera
Darío Vega-Díaz
Ruth Eriksen
  • Fonction : Auteur

Résumé

We report the circumtropical dinoflagellate Tripos lanceolatus (Kofoid) F. Gómez from the Colombian Caribbean, provide a new record from the tropical western Pacific off Tonga, and the first record from the Australian sector of the Indian Ocean. We present the first scanning electron micrographs of thecal ornamentation and apical pore structure which show its morphological similarities to T. furca (Ehrenberg) F. Gómez within the subgenus Biceratium . We also report the more widely distributed tropical species T. schroeteri (B. Schröder) F. Gómez from the Colombian Caribbean, and compare it to the first scanning electron micrographs of the morphologically similar T. digitatus (F. Schütt) F. Gómez within the subgenus Archaeceratium .
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Dates et versions

hal-04292690 , version 1 (04-04-2024)

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Luis Castro-Cera, Darío Vega-Díaz, Ruth Eriksen, Karine Leblanc, Gustaaf Hallegraeff. New observations on the rarely reported tropical dinoflagellates Tripos lanceolatus and T. schroeteri from the Colombian Caribbean, South Pacific and Indian Oceans. Botanica Marina, 2023, 66 (1), pp.67-72. ⟨10.1515/bot-2022-0050⟩. ⟨hal-04292690⟩
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