Description: English: Amoebas from C.G. Ehrenberg's Die Infusionthierchen, 1830. Date: 6 November 2011. Source: Die Infusionthierchen, 1830. Author: C.G. Ehrenberg.
Description: English: The first record and illustration of an amoeba (possibly Chaos carolinense), from Roesel von Rosenhof's Insecten-Belustigung. Date: 1755. Source: Historiae Polyporum from Insecten-Belustigung, 1746-1761. Author: Augustus Iohannes Roesel von Rosenhof.