Glyphidrilus jacobsoni
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Ordo: Oligochaeta
Familia: Almidae
Genus: Glyphidrilus
Name
Glyphidrilus jacobsoni Michaelsen, 1922 – Wikispecies link – Pensoft Profile
- Glyphidrilus jacobsoni Michaelsen, 1922: 10. Type locality: Sumatra, Korintji, Soengai Koembang. Jamieson 1968[1]: 393. Brinkhurst and Jamieson 1971[2]: 760, fig. 15.3I–J.
Material examined
The specimen which closely matches the measurements and anatomical characters with the original description is designated herein as the lectotype ZMH V9293 (Fig. 12). The type locality of this species is Sumatra, Korintji, Soengai Koembang. Paralectotype: ZMH V9293.1 (1 juvenile) same locality with lectotype.
Description of Lectotype
Dimensions: body length 101+ mm. Body cylindrical in anterior part, quadrangular in transverse section behind clitellum. 135+ segments. Body colour pale brown. At posterior end dorsal surface considerably broader than the ventral. Clitellar wi on ventro-lateral part of clitellum in 21–¾27. Prostomium zygolobous. Dorsal pores absent. Clitellum annular in 18–31. Four pairs of setae per segment from 2, setal formula aa:ab:bc:cd:dd = 1.0:0.5:1.5:0.5:1.0 in segment 8. Female pores, male pores and spermathecal pores not visible. Gm: lateral paired or asymmetrical on bc in 18–20, median unpaired on aa in 13–14.
Septa 5/6–8/9 thicker, 9/10–11/12 thick and 12/13 to the last segment thin. Gi small, globular within 8. Intestine enlarged from 15. Dorsal blood vessel anterior to 8. He in 8–11. No distinguishable np in first eleven segments. Sv in 9–12, with the pair in segment 12 larger than the others. Ov in 13–14. Testis in 10–11. Prostate and accessory glands absent. Sc in 12/13–16/17, four on each side per segment.
Remarks
See Table 1.
This speciesis known only from the type locality in Sumatra, Korintji, Soengai Koenbang.
Taxon Treatment
- Chanabun, R; Sutcharit, C; Tongkerd, P; Panha, S; 2013: The semi-aquatic freshwater earthworms of the genus Glyphidrilus Horst, 1889 from Thailand (Oligochaeta, Almidae) with re-descriptions of several species ZooKeys, 265: 1-76. doi
Other References
- ↑ Jamieson B (1968) Journal of Natural History 2: 387-395. doi: 10.1080/00222936800770381
- ↑ Brinkhurst R, Jamieson B (1971) Aquatic Oligochaeta of the World. Oliver and Boyd, Edinburgh, 753 pp.
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