Orbiniella landrumae Blake, 2017, new species ...

• Main Author: Blake, James A.
• Format: Text
• Language: unknown
• Published: Zenodo 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Orbiniidae; Orbiniella; Orbiniella landrumae; Southern Ocean; Pacific; Seta; Fernandez; Antarc*; Antarctica
• Online Access: https://dx.doi.org/10.5281/zenodo.4901831; https://zenodo.org/doi/10.5281/zenodo.4901831

Orbiniella landrumae new species Figure 56 Material examined. Juan Fernandez Islands, Anton Bruun Cruise 12, Sta. 65-240, 12 Dec 1965, 33.622°S, 78.839°W, 26–29 m, holotype and 3 paratypes (USNM 1013912–3); Sta. 65-243, 12 Dec 1965, 33.62°S, 78.847°W, 0–10 m, 3 paratypes (USNM 1013914). Description. A small species, holotype complete, 2.23 mm long, 0.29 mm wide for 23 setigers; one incomplete paratype 2.86 mm long, 0.2 mm wide for 20 setigers; other paratypes smaller. Color in alcohol: opaque white. Prostomium smoothly rounded on anterior margin; with two crescent-shaped red eyespots (Fig. 56 A). Peristomium with two indistinct achaetous rings, but distinctly separated from setiger 1. All segments similar, with no demarcation between thorax and abdomen. Notopodia with short digitiform postsetal lobes throughout; neuropodia with short postsetal lobes in anterior setigers; absent in posterior setigers. Notosetae including 3–4 crenulated capillaries (Fig. 56 B), a single flail seta (Fig. 56 C) and a single ... : Published as part of Blake, James A., 2017, Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America, pp. 1-145 in Zootaxa 4218 (1) on page 115, DOI: 10.5281/zenodo.245827 ...