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Organismo ID: Gusanos cuchara (equiuroideos )

4/11/2014

1 Comment

 
Picture
Los equiuroideos o equiuros son un filo de gusanos protóstomos celomados, anteriormente se le consideraba una clase de Annelidos, sin embargo posteriormente paso a ser un filo independiente de nuevo. Miden entre 3 y 25 cm de largo. Son marinos, viven en la arena, fango o fisuras de rocas. Se conocen unas 150 especies actuales; el equiuroideo fósil más antiguo data del Carbonífero superior.

El fotógrafo Arthur Anker retrató a estos gusanos en Madang, Papua New Guinea, este organismo constantemente esta cambiando su forma "nunca es el mismo", en esta imagen se muestran 6 fotos en un sola imagen el mismo gusano cuchara adoprando formas diferentes.


Fuente: http://conabio.inaturalist.org/taxa/117589-Echiura

1 Comment
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