Puyango Petrified Forest
Puyango Petrified Forest is a fossil deposit of petrified wood located in the middle basin of the Puyango River, between the Ecuadorian provinces of El Oro and Loja. The area covers 2,658 hectares and its sediments are divided into four geological formations, dating from the late Cretaceous period. These deposits are rich in both fossilized trunks and leaves - which belonged to the typical Mesozoic flora - as well as fossils of invertebrates such as bivalves, ammonites, echinoderms, among others. Characteristics The forest is located between 360 and 500 meters above sea level and has an average temperature of 22.5 °C. The most appropriate season to visit is the dry season from May to December. During the winter season the area receives more than 900 mm of rain that change the landscape considerably, making the visit interesting also in these months. Puyango is one of the few remnants of dry tropical forest in the southwest of Ecuador where strong slopes and ravines ...
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Puyango Fossil Tree 02
Puyango may refer to: * Puyango River, the name in Ecuador for the Tumbes River, flowing from Ecuador through Peru to the Pacific Ocean * Puyango Canton, Ecuador * Puyango Petrified Forest Puyango Petrified Forest is a fossil deposit of petrified wood located in the middle basin of the Puyango River, between the Ecuadorian provinces of El Oro and Loja. The area covers 2,658 hectares and its sediments are divided into four geolog ...

Echinoderms
An echinoderm () is any member of the phylum Echinodermata (). The adults are recognisable by their (usually five-point) radial symmetry, and include starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, as well as the sea lilies or "stone lilies". Adult echinoderms are found on the sea bed at every ocean depth, from the intertidal zone to the abyssal zone. The phylum contains about 7,000 living species, making it the second-largest grouping of deuterostomes, after the chordates. Echinoderms are the largest entirely marine phylum. The first definitive echinoderms appeared near the start of the Cambrian. The echinoderms are important both ecologically and geologically. Ecologically, there are few other groupings so abundant in the biotic desert of the deep sea, as well as shallower oceans. Most echinoderms are able to reproduce asexually and regenerate tissue, organs, and limbs; in some cases, they can undergo complete regeneration from a single limb. Geolo ...
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Paleontological Sites Of South America
Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossils to classify organisms and study their interactions with each other and their environments (their paleoecology). Paleontological observations have been documented as far back as the 5th century BC. The science became established in the 18th century as a result of Georges Cuvier's work on comparative anatomy, and developed rapidly in the 19th century. The term itself originates from Greek (, "old, ancient"), (, (gen. ), "being, creature"), and (, "speech, thought, study"). Paleontology lies on the border between biology and geology, but differs from archaeology in that it excludes the study of anatomically modern humans. It now uses techniques drawn from a wide range of sciences, including biochemistry, mathematics, and engineering. ...
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List Of World Heritage Sites In Ecuador
This is a list of UNESCO World Heritage Sites in South America. Legend :Site; as per officially inscribed name :Location; at city, regional, or provincial level and geocoordinates :Criteria; as defined by the World Heritage Committee :Area; in hectares and acres. If available, the size of the buffer zone has been noted as well. A value of zero implies that no data has been published by UNESCO :Year; during which the site was inscribed to the World Heritage List :Description; brief information about the site, including reasons for qualifying as an endangered site, if applicable World Heritage Sites See also *Lists of World Heritage Sites Notes References ;General * * * * * ;Notes External links UNESCO World Heritage Centreofficial websiteUNESCO World Heritage Listofficial websiteVRheritage.org– documentation of World Heritage SitesWorldheritage-Forum
– Information and Weblog on World Heritage Issues {{DEFAULTSORT:World Heritage Sites In The Americas, List Of ...
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