Original descriptions of taxa. For coccolithophores, and many calcispheres, these are pages from the Farinacci & Howe Catalog of Calcareous Nannofossils. In other cases (e.g. non-calcifying haptophytes) the data is directly compiled on this site. The "Catalogue of Calcareous Nannofossils" was originally compiled by Prof A. Farinacci 1969-1989, since 2000 it has been updated and extended by Richard Howe - see The Farinacci and Howe Catalog - an Introduction.
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Current identification/main database link: Prymnesium zebrinum Billard 1983
Compiled data
Original Description
Cellulae elongatae (10-12 x 5.5 μm), eas Prymnesium parvi simulantes, cum parte posterio metabolo. Chromatophora 2 parietalia flavovirentia locata in triente antico cellulae; pyrenoides internae paulum visibiles. Flagella 2 subaequalia heterodynamica (c. 15-16 μm) haptonemaque rigidum (3 μm). Motus natantes recti, gyratione circum axem longitudinalem. Cellulae obtectae corporibus muciferibus et typis squamarum 2 velatae. Squamae proximales applanatae circulares (c. 0.3x 0.28 μ.m) stratis 1-2, cum ornamentis isdem ac eis squamarum applanatarum Prymnesium parvi, Squamae distales ellipticae (c. 0.35 x 0.27 μm) strato externo unico: aspectus proximalis idem ac is squamarum applanatarum; aspectus distalis cum margine (0.05-0.06 μ.m) perpendiculari ad superficiem squamae et ornatus ab 4-6 transtris (0.025-0.03 μm altis) perpendicularibus ad magnum axem squamae, et constatis ex fasciculo fibrillarum. Cystae desunt.
Etymology:
Billard, C. (1983). Prymnesium zebrinum sp. nov. et P. annuliferum sp. nov., deux nouvelles espèces apparentées à P. parvum Carter (Prymnesiophyceae). Phycologia. 22: 141-151. gsReferences:
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Prymnesium zebrinum: Catalog entry compiled by Jeremy Young. Viewed: 17-2-2025
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=54769 Go to Archive.is to create a permanent copy of this page - citation notes |
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