Marionina grisea, STEPHENSON, 1932

Klinth, Mårten J., Rota, Emilia, Martinsson, Svante, Prantoni, Alessandro L. & Erséus, Christer, 2022, New insights into the systematics of Lumbricillus and Marionina (Clitellata: Enchytraeidae) inferred from Southern Hemisphere samples, including three new species, Zoological Journal of the Linnean Society 194 (4), pp. 1103-1133 : 1126-1127

publication ID

https://doi.org/ 10.1093/zoolinnean/zlab073

publication LSID

lsid:zoobank.org:pub:3FB3FBB8-4112-463A-ADEF-35CD427C8AF4

DOI

https://doi.org/10.5281/zenodo.6461135

persistent identifier

https://treatment.plazi.org/id/039DC377-FFA7-FFCC-4EAF-FA64FE485D76

treatment provided by

Plazi

scientific name

Marionina grisea
status

 

MARIONINA GRISEA STEPHENSON, 1932 View in CoL

( FIG. 12 View Figure 12 )

Marionina grisea Stephenson, 1932: 243–246 View in CoL , figs 4, 5.

Lumbricillus griseus View in CoL – Nielsen & Christensen, 1959: 96.

Type material: BMNH 1933.2.23.901–903, three sectioned specimens (studied). Syntypes. Loc. Wiencke Island , Palmer Archipelago. ‘ Discovery’ 1925–1927 ( Stephenson, 1932) .

Type locality: Shore of Port Lockroy , Wiencke Island, Palmer Archipelago .

Additions to Stephenson’s original description: Chaetae ~75 µm long. Epidermis covered with rows of pale gland cells and deeply staining granular gland cells. Dorsal vessel with peristomial bifurcation. Nephridia ( Fig. 12B View Figure 12 ) in 7/8–10/11 and postclitellar segments. Ventral nerve cord with small anterior subbuccal bulb; see Marionina discussion above. Sperm funnels ≥ 450 µm long, 160 µm wide. Spermathecae ( Fig. 12A View Figure 12 ) ≥ 300 µm long, 110 µm wide at duct and 70 µm wide at ampulla, with glands ~75 µm wide surrounding pore.

Remarks: This species is discussed together with M. aestuum and M. fusca .

Kingdom

Animalia

Phylum

Annelida

Class

Clitellata

Order

Enchytraeida

Family

Enchytraeidae

Genus

Marionina

Loc

Marionina grisea

Klinth, Mårten J., Rota, Emilia, Martinsson, Svante, Prantoni, Alessandro L. & Erséus, Christer 2022
2022
Loc

Lumbricillus griseus

Nielsen CO & Christensen B 1959: 96
1959
Loc

Marionina grisea

Stephenson J 1932: 246
1932
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