The Small World of Freshwater Gastrotrichs
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Aspidiophorus ophiodermus

  • Order: CHAETONOTIDA Remane, 1925
    • Suborder: PAUCITUBULATINA d'Hondt, 1971
      • Family: CHAETONOTIDAE Gosse, 1864
        • Subfamily: CHAETONOTINAE Kisielewski, 1991
          • Genus: Aspidiophorus Voigt, 1903
            • Species: ophiodermus Balsamo, 1983
scetch
(after (Balsamo, 1983))
Length ( bottle ):
92 µm - 170 µm

Width:
19 µm - 29 µm

Width of the head ( trilobate ):
16 µm - 18 µm

Width of the neck:
16 µm - 18 µm

Length of the furca:
13 µm - 26 µm

Adhessive tubes (Very thin):
50% of furca

Pharyx ( cylindrical ):
26 µm - 40 µm

Diameter of the mouth ( around ):
5-8 µm

Dorsal scales:
41-44 rows of 48-50 small peduncle scales each; end plates elliptical, acuminate with keel, overlapping, 3 x 1.5 µm; two 5x2 µm peduncle scales on furca inner side.

Ventral scales:
Ventral innercilliary field with two terminal plates (7x4 µm) and 10 rows of narrow, distally pointed keel scales (4x0.75µm)

Oecology:
Moore

Similar species:
A. schilzensis , A. microsquammatus , H. majus ; only delimitable by precise scale analysis

Particularities:
brown stomach ring


Literature:

(Balsamo, 1983)