CYCLOTELLA ALCHICHICANA SP. NOV. FROM A SALINE MEXICAN LAKE

Ma. Guadalupe Oliva Unidad de Morfologia y Función, UMF and Proyecto de Investigación en Limnologia Tropical, UIICSE. FES Iztacala, UNAM. Av. de los Barrios No. 1, Los Reyes Iztacala, 54090, Tlalnepantla, Estado de México, México

Alfonso Lugo Proyecto de Investigatión en Limnologia Tropical, UIICSE, FES Iztacala, UNAM. Av. de los Barrios No. 1, Los Reyes Iztacala, 54090, Tlalnepantla, Estado de México, México

Javier Alcocer Proyecto de Investigatión en Limnologia Tropical, UIICSE, FES Iztacala, UNAM. Av. de los Barrios No. 1, Los Reyes Iztacala, 54090, Tlalnepantla, Estado de México, México

Enrique A. Cantoral-Uriza Grupo Ecología de Algas, Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, UNAM. Apdo. Postal 70—620, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, México, DF, México

Abstract

Cyclotella alchichicana sp. nov. is described from Lake Alchichica, Puebla, Mexico, a saline and alkaline crater-lake in Central Mexico. The new species is similar to C. quillensis from which it distinguished by the arrangement of the marginal fultoportulae and by the external opening of the rimoportula that is elongated slit-like and lacking the external projection on the mantle. Some habitat and ecological data where C. alchichicana has been observed are provided.

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CYCLOTELLA ALCHICHICANA SP. NOV. FROM A SALINE MEXICAN LAKE

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CYCLOTELLA ALCHICHICANA SP. NOV. FROM A SALINE MEXICAN LAKE

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