Nannotax3 - ntax_non_cocco - Tetraparma pelagica Nannotax3 - ntax_non_cocco - Tetraparma pelagica

Tetraparma pelagica


Classification: ntax_non_cocco -> Parmales -> Tetraparma -> Tetraparma pelagica
Sister taxa: T. catinifera, T. gracilis, T. insecta, T. pelagica, T. silverae, T. trullifera, T. sp.

Taxonomy:

Citation: Tetraparma pelagica Booth & Marchant 1987
taxonomic rank: species
Basionym: Tetraparma pelagica Booth & Marchant 1987

Catalog entries: T. pelagica [no catalog entry yet]


Morphology:

 All plates with or without papillae, ca.12-15 papillae/μm, are radially veined, with veins dichotomously branching and anasto- mosing increasingly toward the margin, forming a wide inner ring of elongate areolae. Plates with radially-arranged papillae between the slit-like areolae, and two concentric rows of papillae on top of a low marginal rim. Small triangular spine covered by papillae usually present at plate centre. [Konno et al. 2007]

Size:
Cells 1.9-2.5μm in diameter. Shield plates ca.1.3-1.6μm in diameter. Triradiate girdle plates ca.0.8-1.3μm long (measured along the dorso-ventral plane from end to central structure). Arms of dorsal plate, ca.0.8μm long. Ventral plate ca.1.1-1.8μm in diameter.[Konno et al. 2007]


Ecology & Biogeography

Antarctic and Arctic occurrences [Konno et al. 2007]

Geological Range:
Last occurrence (top): Extant. Data source: Konno et al. 2007
First occurrence (base): within no known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: Konno et al. 2007

References:

Booth, B. C. & Marchant, H. J. (1987). Parmales, a new order of marine chrysophytes, with descriptions of three new genera and seven new species. Journal of Phycology. 23: 245-260. gs

Konno, S., Ohira, R., Komuro, C., Harada, N. & Jordan, R. W. (2007). Six new taxa of subarctic Parmales (Chrysophyceae). Journal of Nannoplankton Research. 29(2): 108-128. gs

Tanimoto, M., Aizawa, C. & Jordan, R. W. (2003). Assemblages of living microplankton from the subarctic North Pacific and Bering Sea during July-August 1999. Courier Forschungsinstitut Senckenberg. 244: 83-103. gs


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Tetraparma pelagica compiled by Jeremy R. Young viewed: 14-12-2024

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