Parasagitta elegans (Verrill, 1873). Specimen II

Chaetognatha: Sagittoidea: Aphragmophora: Sagittidae

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4x Plan Fluor / 10x Plan Fluor / 20x Plan Apo / r. Polarization / DIC. Sampled in Bay of Santander. April, 8th 2017.

References
Castellani, C. & Edwards, M. (2017). Marine plankton. A practical guide to ecology, methodology and taxonomy. Oxford University Press. (see Figure 373-A).
Larink, O. & Westheide, W. (2011). Coastal plankton. Verlag Dr. Friedrich Pfeil. München. (see Plate 66).
Fraser, J.H. (1957). Chaetognatha. Identification leaflets for plankton (No. 1). International Council for the Exploration of the Sea.
Todd, C.D. & Laverack, M.S. (1991). Coastal marine zooplankton. A practical manual for students. Cambridge University Press. (see Fig. 46A- D).

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