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Description

PALEOFAUNA OF VENEZUELA. The armored fish of La Sierra de Perijá.

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Clarifications: The following official information about the present species dates from the publication by Gaving Young and J. Moody in 2002, together with the book Venezuela Paleontológica by M.R. Villagra. Investigations may be subject to change. But they are solidly founded by international and national paleontologists.

At a global level, the material of fossil species from the Paleozoic is usually scarce, even more so if we talk about the Devonian period of the northern region of South America. There are 2 outstanding sites in this region: The Floresta massif in Colombia and the one in question: The Campo Chico Formation in Venezuela, where 2 types of "ancestral fish" were found, the Antiorguido Placoderms of the Caño Colorado region between the rivers. Palmar and Socuy of the Sierra de Perijá, Zulia State. The well-known Bothriolepis Perijá and the rarer (and represented here) Venezuelepis mingui.

The discovery of these species and plants very similar to others found in Australia and Antarctica suggests the possible existence of a narrow sea that separated Gondwana and Laurasia, instead of an equatorial ocean.
Venezuelepis had a detritivore diet and lived at the bottom of freshwater lacustrine environments from the Middle and Late Devonian, where it coexisted (and survived) with primitive sharks and the first lungfish. His remains are found in the fossil collection of the University of Zulia.

Sources: Titanoboaforest.com - Venezuela Paleontológica 2012 - Paper Devonian Fish from Sierra Perijá 2002.

Illustration and writing by Gerardo Guillen Poleo @eldinogerardo

Description

PALEOFAUNA OF VENEZUELA. The armored fish of La Sierra de Perijá.

www.instagram.com/eldinogerard…
www.instagram.com/jp.sitev/
www.facebook.com/gerardoramon.…

Clarifications: The following official information about the present species dates from the publication by Gaving Young and J. Moody in 2002, together with the book Venezuela Paleontológica by M.R. Villagra. Investigations may be subject to change. But they are solidly founded by international and national paleontologists.

At a global level, the material of fossil species from the Paleozoic is usually scarce, even more so if we talk about the Devonian period of the northern region of South America. There are 2 outstanding sites in this region: The Floresta massif in Colombia and the one in question: The Campo Chico Formation in Venezuela, where 2 types of "ancestral fish" were found, the Antiorguido Placoderms of the Caño Colorado region between the rivers. Palmar and Socuy of the Sierra de Perijá, Zulia State. The well-known Bothriolepis Perijá and the rarer (and represented here) Venezuelepis mingui.

The discovery of these species and plants very similar to others found in Australia and Antarctica suggests the possible existence of a narrow sea that separated Gondwana and Laurasia, instead of an equatorial ocean.
Venezuelepis had a detritivore diet and lived at the bottom of freshwater lacustrine environments from the Middle and Late Devonian, where it coexisted (and survived) with primitive sharks and the first lungfish. His remains are found in the fossil collection of the University of Zulia.

Sources: Titanoboaforest.com - Venezuela Paleontológica 2012 - Paper Devonian Fish from Sierra Perijá 2002.

Illustration and writing by Gerardo Guillen Poleo @eldinogerardo