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Cryptodifflugia Collum
''Cryptodifflugia'' is a genus of arcellinida, arcellinid testate amoebae. It contains all the species previously grouped as the genus ''Difflugiella'', which is now a synonym of ''Cryptodifflugia''. Description ''Cryptodifflugia'' species are characterized by a testate amoebae, shell with an oval egg-like shape with a short neck. Their surface is either smooth or adhering foreign particles. The shell can be colorless, yellow or brown, composed of an outer proteinaceous material that is usually lined. The shell's aperture is terminal, and has either a circular or an oval shape. They present pseudopods in the form of ectoplasmic anastomosing reticulopods, i.e. like fine threads that can branch or anastomose (meaning they can form links with each other) to create a dense network. Classification The classification of the genus, as revised in 2017, identifies 23 species along with some subspecies: *''Cryptodifflugia angulata'' Playfair, 1917 – Australia *''Cryptodifflugia angusta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eugène Penard
Eugène Penard (16 September 1855 – 5 January 1954) was a Swiss biologist and pioneer in systematics of the amoebae. Penard was born in Geneva where his father ran a private school. After studying in Geneva, Eugène worked in a bank but decided to pursue science and went to the University of Edinburgh followed by studies at the University of Heidelberg under Otto Bütschli Johann Adam Otto Bütschli (3 May 1848 – 2 February 1920) was a German zoologist and professor at the University of Heidelberg. He specialized in invertebrates and insect development. Many of the groups of protists were first recognized by him. .... He then became a student of Karl Vogt in Geneva from 1882 with a break serving as a private tutor to Prince Orlov in St. Petersburg from 1883 to 1886. He began to study protists and received a doctorate in 1887 for his studies on ''Ceratium hirundinella''. He then spent some years as a private tutor in Germany in the Baron Belevski household. He then travelled ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
