Danang Ambar Prabowo
Research Centre for Biosystematics and Evolution, Research Organization for Life Sciences and Environment, National Research and Innovation Agency (BRIN), Cibinong, Bogor, Indonesia

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First Record of The Thecate Marine Dinoflagellate Protoperidinium abei (Peridiniales, Dinophyceae) in Indonesia Danang Ambar Prabowo; Debora Christin Purbani; Diah Radini Noerdjito
HAYATI Journal of Biosciences Vol. 30 No. 2 (2023): March 2023
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.30.2.207-215

Abstract

Two identical dinoflagellate cell specimens were found in a seawater sample collected from Tanjung Pasir Beach (TPB; 6.01 S, 106.8 N), Banten, Indonesia and subjected to morphological characterization light microscopy (LM). The cells measured 71.97–72.86 µm long and 52.55–52.76 µm wide, fusiform or biconical-shaped, with tapered apical and antapical horns. A sharp and pointy spine was present at the antapex. The Kofoidean thecal plates arrangement pattern of the specimens was formulated as Po, 4', 2a, 7'', 3(?)c, 4s, 5''', 2''''. Based on this thecal plate tabulation formula combined with the cell morphologies, the specimens conformed to the original description of, and therefore identified as, Protoperidinium abei (Paulsen) Balech. This study constitutes the first record of P. abei in Indonesia and the first to illustrate and describe its detailed morphology using LM.