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

Author:

Castro-Cera Luis1ORCID,Vega-Díaz Darío2ORCID,Eriksen Ruth S.34,Leblanc Karine5,Hallegraeff Gustaaf M.4ORCID

Affiliation:

1. Grupo de Investigación en Biodiversidad y Ecología Aplicada , Universidad del Magdalena , Santa Marta , 470004 , Colombia

2. Lifeproof AP: Carrera 10 # 5-90 Corregimiento La Playa , Barranquilla , Colombia

3. CSIRO Oceans and Atmosphere , Castray Esplanade, 7000 , Hobart , TAS , Australia

4. Institute for Marine and Antarctic Studies, University of Tasmania , Private Bag 129, 7001 , Hobart TAS , Australia

5. Aix Marseille University, Université de Toulon, CNRS, IRD, MIO UM 110 , 13288 Marseille , France

Abstract

Abstract 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.

Publisher

Walter de Gruyter GmbH

Subject

Plant Science,Aquatic Science,Ecology, Evolution, Behavior and Systematics

Reference25 articles.

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2. Dodge, J.D. and Marshall, H.G. (1995). Biogeographic analysis of the armored planktonic dinoflagellate Ceratium in the North Atlantic and adjacent seas. J. Phycol. 30: 905–922, https://doi.org/10.1111/j.0022-3646.1994.00905.x.

3. Gaarder, K.R. (1954). Dinoflagellatae from the “Michael Sars” North Atlantic Deep-Sea Expedition 1910. Reports on the scientific results of the “Michael Sars” North Atlantic Deep-Sea Expedition, Vol. 2, pp. 1–62.

4. Gárate-Lizárraga, I. (2008). Nuevos registros de dinoflagelados planctónicos para el Golfo de Tehuantepec, México. CICIMAR Oceánides 23: 55–65.

5. Gómez, F. (2013). Reinstatement of the dinoflagellate genus Tripos to replace Neoceratium, marine species of Ceratium (Dinophyceae, Alveolata). CICIMAR Oceánides 28: 1–22, https://doi.org/10.37543/oceanides.v28i1.119.

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