Macromckenziea undetermined
publication ID |
https://doi.org/ 10.1111/j.1096-3642.2009.00624.x |
persistent identifier |
https://treatment.plazi.org/id/013BD758-6D72-0821-FCC0-FC7451F7FB02 |
treatment provided by |
Carolina |
scientific name |
Macromckenziea undetermined |
status |
SP. |
MACROMCKENZIEA SP. CF. MK. GIAMBONINI SP. NOV. ( FIG. 7 View Figure 7 )
Material: 6 live specimens. 6 A F ( SNB 0453-0457), ANDEEP III, # 74-6, ZMH K- 41364.
Distribution ( Fig. 7 View Figure 7 ): Eastern Weddell Sea, SO, 1040– 1048 m.
Measurements ( Fig. 7 View Figure 7 ): A F, RV, L 1.64-1.81 mm, H 0.72–0.80 mm.
Adult chaetotaxy: Antenna I 1, 2(0/.2), 3(.1/.1.), 4(.1/.1.), 5(.1/.1), 6(.2/.3), 7(0/0:4). Antenna II 1(0/0:1), 2(0/ 0:1), exopodite (0/0:2,1r), 3(0/5.5), 4(.2/.1c:3), 5(0/.1,1c:1.3c), 6(0/0:4c,1s). Mandible 1(0/ 5t,+5.1.), 2(0/.2), exopodite (0/0:5), 3(0/5:1), 4(5/4), 5(.2./0:3). Maxilla I vibratory plate (1re,~17), palp 1+2(4/0), 3(0/0:5). Appendage V F 1, exopodite (.3./0:4), 2, 3, 4(0/1), 5(0/0:3). Appendage VI 1(0/.1), 2(.1/.1.1.1), 3(0/.1), 4(0/.1), 5(0/.1), 6(0/0:2c,1). Appendage VII 1+2(.1/.1), 3(0/ 1), 4(0/1), 5(0/1), 6(0/0:1.1r,1). Furca 1(0/0:1.2r).
Remarks: The females of this species are morphologically very similar to Mk. giambonini and also occur at around 1000 m depth on the continental slope of the eastern Weddell Sea, but the considerably larger size (black circles in Fig. 7 View Figure 7 ) prevents referral to Mk. giambonini . As in the case of the informal groups Mh. turbida and Mh. tensa-opaca , it may be that both of these species can only be distinguished by the hemipenis. As the males are unknown for both populations, the second one is left in open nomenclature.
ZMH |
Zoologisches Museum Hamburg |
RV |
Collection of Leptospira Strains |
V |
Royal British Columbia Museum - Herbarium |
VI |
Mykotektet, National Veterinary Institute |
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