Morphology of the green alga Trichophilus welckeri found in sloth hair.(A) Trichophilus welckeri developing fronds as described in Weber-van Bosse (1887, Fig. 15) . "a" refers to sporangia and "b" to empty sporangial cells from which spores have been released. (B) Trichophilus-like alga from Bradypus pygmaeus, sample S26; squash preparation of the algae growing on the hair. (C) Cells of the Trichophilus-like alga from Bradypus pygmaeus, sample S26. (D)Choloepus hoffmanni hair, sample s9 with Trichophilus-like alga growing on the hair. (E), (F) Squash preparations of the algae growing on the hair of Choloepus hoffmanni sample sB1. Scale bars in all figures 20 μm.
Suutari et al. BMC Evolutionary Biology 2010 10:86 doi:10.1186/1471-2148-10-86