Summary: | Figure 2. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimens from BIOICE samples 2414 and 2474. (A, B) Anterior end, dorsal and lateral views; (C) fan-like chaetal disposition in neuropodium of short anterior CH9; (D) flange-like chaetal disposition in neuropodium of elongated CH10. b1–7, branchial scars 1–7; CH2–11, chaetigers 2–11; no, nuchal organ; cc, capillary chaeta; su, subuluncini. Scale bars: A, B, 1mm; C, 45 µm; D, 30 µm. Published as part of Parapar, Julio, Aguirrezabalaga, Florencio & Moreira, Juan, 2014, First record of Longosomatidae (Annelida: Polychaeta) from Iceland with a worldwide review of diagnostic characters of the family, pp. 983-998 in Journal of Natural History 48 (17) on page 987, DOI:10.1080/00222933.2013.859316, http://zenodo.org/record/4006775
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