Fossil Parasite of the Week – First Fossil Lice?

Fossilization is an extremely rare process that requires very specific conditions. Detailed fossils of invertebrates, especially ones without hard body parts such as shells are even scarcer. Fossils of clearly parasitic invertebrates are an absolute rarity. Nowadays there are a number of different Arthropoda groups adapted to a parasitic lifestyle, relying on vertebrates to provide … Continue reading Fossil Parasite of the Week – First Fossil Lice?

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Cteniogenys and the discrete success of Choristoderes

Throughout the ages, some body plans and lifestyles seem to be so efficient that they've been repeatedly selected by different groups of organisms. Extant crocoyles are a good example of a successfull design as aquatic ambush predators, inhabiting today's most tropical freshwaters (with two species also consistently adapted to life at sea). Although other extinct … Continue reading Cteniogenys and the discrete success of Choristoderes

Resurrection or reincarnation

The need to write whatever catches my attention in the natural world never dies. After different blogs, now all defunct or hanging in limbo, this one can be seen either as a resurrected or reincarnated version of the formers. Slightly different, slightly betterI hope.