Macrotrachela nana var. ligulata de Koning 1947
Macrotrachela nana var. ligulata, whirling, ventral view.
Macrotrachela nana var. ligulata, two aspects of the head while whirling. Left: Focus plane on the one-lobed upper lip. right: Same specimen; focus plane on the ligula beneath the upper lip. This species must not be confused with Macrotrachela plicata plicata which has also a ligula in the sulcus but a different upper lip.
Macrotrachela nana var. ligulata, another specimen from (1); whirling. In contrast to many other Macrotrachela species the angle between the trochal discs and the body axis is about 90 degrees.
Macrotrachela nana var. ligulata, trophi.
Macrotrachela nana var. ligulata; left: head of creeping specimen with rostrum lamella and cilia. Right: foot with spurs .
Macrotrachela nana var. ligulata; while the specimens of Macrotrachela nana which have been observed up to now have 4 nuclei in the vitellarium var. ligulata has more than 4 nuclei.
 
Macrotrachela nana var. ligulata; specimen from (2)
 
Macrotrachela nana var. ligulata; left: integument of the trunk; right: detail, showing the pores in the integument; specimen from (2)
 
 
Location: Hattingen Oberstueter (1); Mte. Maolo, Elba, Italy (2)
Habitat: moss from roof; together with Adineta major and Philodina acuticornis (1); between Cladonia-lichens (2)
Date: 04.09. 2016 (1); coll.: 12.10.2020; img.: 17.01.2021 (2)
freshwater life
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