. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 140 A. H. SCHELTEMA AND C. SCHANDER. 4567 8 9 10 11 12 13 14 Figure 16. Upidermal spicules ol I'hiwcmu species. I, 4-7. Siinrnthii-llii schizoradulata .Salvini-Plawen (=PlriiJultit<n: spicules 4-6. lectotype; 1, 7. paralectotype. Pluwcnia \phticni n. sp.: spicules 2. 8-11, paralype 1. P. un;li<if. MNHNP (alcohol specimen, spicule slide): Length mm, greatest height anil width and mm, respectively. West European Basin. 57 'N. I()°'W, 2091 m (INCAL |( I YIOHI. DS-OI. 1976). Illustratedparatypes
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 140 A. H. SCHELTEMA AND C. SCHANDER. 4567 8 9 10 11 12 13 14 Figure 16. Upidermal spicules ol I'hiwcmu species. I, 4-7. Siinrnthii-llii schizoradulata .Salvini-Plawen (=PlriiJultit<n: spicules 4-6. lectotype; 1, 7. paralectotype. Pluwcnia \phticni n. sp.: spicules 2. 8-11, paralype 1. P. un;li<if. MNHNP (alcohol specimen, spicule slide): Length mm, greatest height anil width and mm, respectively. West European Basin. 57 'N. I()°'W, 2091 m (INCAL |( I YIOHI. DS-OI. 1976). Illustratedparatypes. No. 1, MNHNP (epidermal, copu- latory spicule slides; radula slide) and no. 2. MNHNP (epidermal, copulatory spicule slides): type locality. No. 3, MNHNP (epidermal, copulatory spicule slides; radula slide) and no. 4. MNHNP (dissected alcohol specimen, copu- latory spicule slide). West European Basin. 57°'N, 10"'W. 20SI m (INCAL [CENTOB] DS-02. ). Miiit'riul t'Miminctl. 68 individuals. See Table 1. also the following: Bay of Biscay. RV Sarxia (National Institute of Oceanography. Plymouth. UK): stn 44. 'N. 3°'W. 1739 m. (20 individuals), and stn 50. 43°'N. 3'38'W. 2379 m. (I individual). Description. Appearance: Small, rotund, similar in external appear- ance to /'. .\ but smaller; greatest length, height, and width. , , and mm. respectively (Figs. 15D. 19D); with slight taper posteriorly; wiih a cleft in long posterior spicules indicating position ol dorsoterminal sense organ (Fig. 15E). Cuticle and epidermis: Cuticle thick. 45 to 50 /^im, epi- dermis (Inn. II to \2 //in. Epidermal spicules: Long, slender to broad, thin-walled (I-'ig. 16. spicules S II). shape as in /'. schizoradulata hut. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble th
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
