Abstract
From the Permian Chóchal Formation in Guatemala (Central America), various taxa of Algae and Foraminifera are recognized. Described species are: dayscladales Clavaporella americana, Connexia slovenica, smaller foraminifera Neoendothyra sp. and fusulinids Eoverbeekina americana, Pseudoreichelina discoidea, Schubertella muellerriedi, Pseudofusulinoides chixoyensis nov. sp., Skinnerella gruperaensis, Parafusulina australis, P. sapperi, P. guatemalaensis, P. fountaini, P. durhami and Skinnerina latina nov. sp. The whole Chóchal Formation is Leonardian and Roadian in age, but with several noticeable diachronisms. Palaeogeographically, the Leonardian-Roadian seaway of the Guatemala extended from Texas to Venezuela, and the Venezuelian area of Lake Maracaibo was adjacent to the north of Guatemala (Maya Block). The dispersion of the fusulinids across Panthalassa has been favoured by surface currents, plant rafts and carbonate platforms on guyots and suspect terranes.
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