Metopa groenlandica Hansen 1888

Metopa groenlandica Hansen, 1888 Fig. 13–16, 19–21. Metopa groenlandica Hansen, 1888:94, Tab III-7, Holmes, 1905:483, Stephensen, 1936, Stephensen & Thorson, 1936, Stephensen, 1944:56, Gurjanova, 1929:430, Gurjanova, 1951:430 –31, fig 274 Proboloides groenlandicus Stebbing, 1906:190 ? Stenothoe...

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Bibliographic Details
Main Authors: Tandberg, Anne Helene S., Vader, Wim
Format: Other/Unknown Material
Language:unknown
Published: Zenodo 2009
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Online Access:https://doi.org/10.5281/zenodo.6216428
http://treatment.plazi.org/id/722F8B7C8261653062F1FA46FC48B507
Description
Summary:Metopa groenlandica Hansen, 1888 Fig. 13–16, 19–21. Metopa groenlandica Hansen, 1888:94, Tab III-7, Holmes, 1905:483, Stephensen, 1936, Stephensen & Thorson, 1936, Stephensen, 1944:56, Gurjanova, 1929:430, Gurjanova, 1951:430 –31, fig 274 Proboloides groenlandicus Stebbing, 1906:190 ? Stenothoe clypeata Stimpson, 1853, Spence Bate, 1862:61, pl. 9, fig. 5, Della Valle, 1893:569 ? Stenothoe (Proboloides) clypeata Stebbing, 1906:195, 1906:725, non Metopa clypeata Krøyer, 1842 Proboloides clypeatus Stephensen, 1931:194, non Metopa clypeata Krøyer, 1842 Metopa hirsutimana Blake, 1929:20, fig 10 non Metopa clypeata Krøyer, 1842 non Metopa clypeata Stebbing, 1906:175 Material examined. Morphological examination: Slide: "v/ Grønl. Af Boltenia bolteni munddele. Fem"; female from Greenland, in Type-collection. Dana Station 2408. 62 37’ N, 51 02’ W. 60m. Found in Ascidia callosa 11-VII-1925; female from south west Greenland. G.F. Bankey station 5229-4A. 67 05’ N, 54 07’ W. 80– 95m. W. Greenland. Clay and shells. 23. Aug. 1976. SEM-examination: ZMUC-material "v. Grønl. Sarak i Waigat, 1892. Transl HJH", from West Greenland (69 57’ N, 51 57’ W), ZMUC-material "v. Grønl. Egedesminde, i Molgula groenlandica Levinsen. Modtaget II-1900. HJH", male from west Greenland (68 43’ N, 52 52’ W). Morphological redescription. Head (Fig. 13, Fig. 16): front of head regularly convex, without a clear cephalic lobe; eye small and round, 1/5 of head length, ill defined. Antenna 1 (Fig. 13): slightly shorter than A2; peduncle almost double length of flagellum (see Fig. 12); flagellum 9-articulate, short simple setae on each article. Antenna 2 (Fig. 13): peduncle 5/6 of antennal length, short simple setae ventrally on 3 last peduncular articles; flagellum short, 4-articulate. Labrum (Fig. 13): asymmetrically bilobed, broader than long. Mandible (Fig. 13): mandibular palp 3-articulate, oval in cross section; article 2 with several simple setae; article 3 very short, with one long apical seta; incisor serrate with one deep notch; lacinia ...