Cladistic ontogeny of Jiufotang tapejarids

As you probably already know, Sinopterus is a genus of tapejarid pterosaur from the Jiufotang Formation of China. The holotype of Sinopterus dongi was first named by Wang and Zhou (2003). Since then, a bunch of other species of tapejarid from the Jiufotang Formation have been named (incl. Li et al. 2003, Lü et al. …

Specposium 2021

Speculative evolution, aka speculative biology, is a fascinating field. I think it's really neat because it involves integrating creativity and a solid scientific grounding. Apparently a lot of other people think so too, because it's very popular among biology and paleontology enthusiasts on the internet. But there isn't really a centralized spec evo community on …