Excavata Thomas Cavalier-Smith in 2002
Excavata are unicellular organisms, containing a variety of free-living and symbiotic forms, and also including some important parasites of humans. They are classified based on their flagellar structures, and they are considered to be the oldest members of flagellated organisms.
Fritz Schaudinn (1871 – 1906) was a German zoologist. He was the co-discoverer of the causative agent of syphilis and did research on amoebas, particularly
Alabasta longicollis, after Penard, 1890 Alabasta longicollis (Penard, 1890) Diagnosis: Test pyriform, very elongated (3 times as long as wide), transparent, very little compressed, embedded
Alabasta kivuense, after Gauthier-Lièvre and Thomas, 1961 Alabasta kivuense Gauthier-Lièvre and Thomas, 1961 Diagnosis: In frontal view, the test is finger-shaped with subparallel sides, the
Paulinella micropora, – from Lhee et al., 2017 Paulinella micropora Lhee, Yang, Kim, Andersen & Yoon, 2017 Diagnosis: Test elongate, with five columns of scales,
Quadrulella tubulata, after Gauthier-Lièvre, 1953 Quadrulella tubulata Gauthier-Lièvre, 1953 Diagnosis: Shell almost lageniform, compressed, with rounded fundus and more or less irregularly arranged, commonly small,
Quadrulella elongata, after Van Oye, 1952 Quadrulella elongata Van Oye, 1952 Diagnosis: Test elongated with long neck and square plates, without any pores. Pseudosome slightly