Phaeocystis jahnii

Classification: ntax_non_cocco -> Haptophytes -> Phaeocystales -> Phaeocystaceae -> Phaeocystis -> Phaeocystis jahnii
Sister taxa: P. amoeboidea, P. antarctica, P. brucei, P. cordata, P. globosa, P. jahnii, P. pouchetii, P. scrobiculata, P. sphaeroides, P. sp.


Citation: Phaeocystis jahnii Zingone in Zingone et al. 1999
Rank: Species
Basionym: Phaeocystis jahnii Zingone in Zingone et al. 1999

Catalog entries: Phaeocystis jahnii

Original description: Cellulae cum flagellis rotundae 3.5–5 µm in diametro, depressione modica ad insertionem flagellorum. Flagella duo inequalia (8.5–12 et 5–6.5 µm) et brevis haptonema (3–4.5 µm). Chloroplasti duo aut quattuor, aureo-brun- nei. Stratum circa cellula, squamis tenuissimis et inequalibus in magnitudine compositum. Majores squamae externae et ovales, 0.35 x 0.28 µm, sine erecto margine, carinulis levibus et radiantibus ad marginem. Minores squamae interiores, margine inflexo, 0.18 x 0.14 µm. Fila desunt. Non mobiles cellulae observatae, solitariae vel glomeratae in duo aut quattuor, circumdatae a matrice polysaccharorum. Adsunt coloniae cum multis cellulis, sine definita forma aut conspicua margine. Coloniariae cellulae cum deminutis flagellis, sed squamis conservatis.

Type images:

Geological Range:
Last occurrence (top): Extant Data source:
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source:


Zingone, A., Chrétiennot-Dinet, M. -J., Lange, M. & Medlin, L. (1999). Morphological and genetic characterization of Phaeocystis cordata and P. jahnii (Prymnesiophyceae), two new species from the Mediterranean Sea. Journal of Phycology. 35: 1322-1337. gs


Phaeocystis jahnii compiled by Jeremy R. Young viewed: 15-5-2021

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