A medullosalean-pteridosperm specimen, 22 cm long, from the Sydney Coalfield, Nova Scotia, Canada, illustrates the advantage of studying the fossilization history of compressed foliage freed from the rock matrix by ...

Since the first of three Coleoptera volumes of the Hand-book of Zoology series was published in 2005, the progress in the investigation of the most species-rich insect order has been remarkable. The exploration of the ...

Uno de los mayores retos del siglo XXI es el estudio de la diversidad biológica del planeta. Si hay un grupo de seres vivos para el cual este desafío es más dramático, es el de los insectos, artrópodos con casi 400 millones ...