Achnanthes jacobii Manguin, 1949 (original description)
Achnanthes lanceolata f. fossilis Manguin, 1949 (original description)
Achnanthes sublevanderi Manguin, 1949 (original description)
Asterionella vinaninkarenae Manguin, 1949 (original description)
Cocconeis citrus E. Manguin, 1949 (original description)
Cyclotella lenoblei E. Manguin, 1949 (original description)
Cymbella affinis var. primigenia E. Manguin, 1949 (original description)
Cymbella andranokelyna f. acuminata E. Manguin, 1949 (original description)
Cymbella andranokelyna var. andranokelyna E. Manguin, 1949 (original description)
Cymbella andranokelyna var. gibbosa E. Manguin, 1949 (original description)
Cymbella andranokelyna var. incurvata E. Manguin, 1949 (original description)
Cymbella dubravicensis f. madagascariensis E. Manguin, 1949 (original description)
Cymbella fonticola f. fossilis E. Manguin, 1949 (original description)
Cymbella pseudorupicola E. Manguin, 1949 (original description)
Eunotia ankazondranona Manguin, 1949 (original description)
Eunotia ankazondranona f. faba Manguin, 1949 (original description)
Eunotia ankazondranona var. hieroglyphica Manguin, 1949 (original description)
Eunotia clavata Manguin, 1949 (original description)
Eunotia diodon f. integra Manguin, 1949 † (original description)
Eunotia pectinalis f. fossilis Manguin, 1949 (original description)
Eunotia sudetica f. gibbosa Manguin, 1949 (original description)
Fragilaria brevistriata var. capitata Manguin, 1949 (original description)
Fragilaria construens f. fossilis Manguin, 1949 (original description)
Fragilaria pinnata var. primigenia Manguin, 1949 (original description)
Fragilaria vinaninkarenae Manguin, 1949 (original description)
Gomphonema angustatum f. affine Manguin, 1949 (original description)
Gomphonema brasiliense f. obtusa Manguin, 1949 (original description)
Gomphonema gracile f. affines Manguin, 1949 (original description)
Gomphonema incomperta Manguin, 1949 (original description)
Gomphonema longiceps f. affine Manguin, 1949 (original description)
Gomphonema parvulum f. bacillum Manguin, 1949 (original description)
Gomphonema parvulum f. fossilis Manguin, 1949 (original description)
Gomphonema parvulum f. subovata Manguin, 1949 (original description)
Melosira distans f. minor Manguin, 1949 (original description)
Melosira distans var. robusta Manguin, 1949 (original description)
Melosira granulata f. depauperata Manguin, 1949 (original description)
Melosira granulata f. magnipunctata Manguin, 1949 (original description)
Melosira granulata f. tenuipuctata Manguin, 1949 (original description)
Melosira granulata var. antanifotsyna Manguin, 1949 (original description)
Melosira italica f. fossilis Manguin, 1949 (original description)
Melosira pyxis f. dechlamydea Manguin, 1949 (original description)
Melosira pyxis f. primigenia Manguin, 1949 (original description)
Melosira undulata var. fungica Manguin, 1949 (original description)
Navicula andranokelyna Manguin, 1949 (original description)
Navicula confusa Manguin, 1949 (original description)
Navicula stauroneiformis Manguin, 1949 (original description)
Pinnularia fasciata var. tanatoiana Manguin, 1949 (original description)
Surirella capronii var. reducta Manguin, 1949 (original description)