Phascolosoma (Phascolosoma) agassizii agassizii Keferstein, 1866, Keferstein, 1866

Açik, S., Murina, G. V., Çinar, M. E. & Ergen, Z., 2005, Sipunculans from the coast of northern Cyprus (eastern Mediterranean Sea), Zootaxa 1077, pp. 1-23: 13

publication ID

http://doi.org/ 10.5281/zenodo.170329

publication LSID

lsid:zoobank.org:pub:9B3A7D5D-3D1B-450C-B8C8-7CB465AC008D

persistent identifier

http://treatment.plazi.org/id/D46F87BE-8A64-FFEC-8B5D-FDAA70FDF97A

treatment provided by

Plazi

scientific name

Phascolosoma (Phascolosoma) agassizii agassizii Keferstein, 1866
status

 

Phascolosoma (Phascolosoma) agassizii agassizii Keferstein, 1866  

( Figure 3 View FIGURE 3 B, 4 A)

Phascolosoma agassizii agassizii: Pancucci­Papadopoulou et al. 1999: 70   –71, fig. 24. Phascolosoma (Phascolosoma) agassizii: Stephen & Edmonds 1972: 292   –293, figs 34 e –g; Saiz Salinas 1986: 52 –55, fig. 19; Cutler & Cutler 1990: 703 –706, figs 7g, h.

Phascolosoma (Phascolosoma) agassizii agassizii: Cutler 1994: 173   –174, fig. 51.

Material examined: ESFM – SIP / 98 – 35, K 1, Guzelyurt Bay, 14 July 1998, 1 m, on Cystoseira crinita   , 3 specimens; ESFM – SIP / 98 – 30, K 4, Gazi Magosa Bay, 18 July 1998, 4 m, on Posidonia oceanica   , 1 specimen; ESFM – SIP / 98 – 32, K 6, Karpas Cape, 19 July 1998, 2 m, on rocks, 1 specimen; ESFM – SIP / 98 – 33, K 8, Limanbasi Cape, 20 July 1998, 0–5 m, on rocks, 1 specimen; ESFM – SIP / 98 – 34, K 10, Malazgirt, 21 July 1998, 3 m, on rocks, 3 specimens; ESFM – SIP / 98 – 31, K 10, Malazgirt, 21 July 1998, 3 m, on P. oceanica   , 2 specimens.

Remarks: Trunk 10.6–17 mm long, 2.7–3.4 mm wide. Introvert with irregular dark pigment bands ( Figure 3 View FIGURE 3 B); 7.5–16.1 mm long, 1.9–2.5 mm wide. Trunk 1.1–1.4 times introvert length. Hooks arranged in 14–21 rings of hooks. Each hook with a variable clear streak; triangle usually indistinct; unidentate ( Figure 4 View FIGURE 4 A), sometimes with a small secondary tooth; 38–58 µm long, 48–60 µm thick at base. Longitudinal muscle bands numbering 22–24 at level of base of retractors; 18–19 at nephridia level. Trunk with papillae; most of them darker than skin. Preanal papillae 150–280 µm long. Nephridia 6.6–7.3 mm height, 0.5–0.9 mm wide. Trunk 1.6–2.3 times nephridia length. Two dark eye spots present. Spindle muscle arising in front of anus, attached to posterior end of trunk. A single fixing muscle attached to rectum and beginning of intestinal coils. Some specimens with eggs; elliptical, longer axis 125–133 µm in diameter, smaller axis 108–128 µm in diameter.

Distribution: North Pacific, Indian and sub tropical eastern Atlantic Oceans, Mediterranean Sea ( Cutler 1994). Depth range: 0–240 m ( Saiz Salinas 1986).

ESFM

Museum of Faculty of Fisheries, Ege University

Kingdom

Animalia

Phylum

Sipuncula

Class

Phascolosomatidea

Order

Phascolosomatiformes

Family

Phascolosomatidae

Genus

Phascolosoma

Loc

Phascolosoma (Phascolosoma) agassizii agassizii Keferstein, 1866

Açik, S., Murina, G. V., Çinar, M. E. & Ergen, Z. 2005
2005
Loc

Phascolosoma (Phascolosoma) agassizii agassizii:

Cutler 1994: 173
1994
Loc

Phascolosoma agassizii agassizii: Pancucci­Papadopoulou et al. 1999: 70

Cutler 1990: 703
Saiz 1986: 52
Stephen 1972: 292
1972