The Small World of Freshwater Gastrotrichs
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Heterolepidoderma

scetch
  • Body shoe sole
  • size 80 - 120 µm
  • often with pseudocells
  • numerous keel scales standing in oscillating longitudinal rows
  • no or only terminal spines


24 Species:


Heterolepidoderma lamellatum



Heterolepidoderma longicaudatum



Heterolepidoderma loripes



Heterolepidoderma macrops

110 µm - 150 µm
Dorsal scales: 22-27 rows, each with 25-40 thin, elliptical keel scales (2 µm long) without terminal spine; toes unscaled
Ventral scales: two small keeled terminal plates, otherwise naked
Particularities: mostly relatively large pseudocells


Heterolepidoderma majus

130 µm - 200 µm
Dorsal scales: 25 rows of 40-80 elongated narrow keel scales each (3 x4 µm, maximum 7 µm)
Ventral scales: 6-11 rows with 18-30 small keel scales each (1.5 - 3 µm)
Particularities: Stomach ring, sometimes stands still


Heterolepidoderma mariae



Heterolepidoderma multiseriatum



Heterolepidoderma obesum



Heterolepidoderma obliquum



Heterolepidoderma ocellatum