Uh, did not thought of it! Fixed it already.

I think the whole family feeds only on spiders.

Also with a nice biogeographic history, including a dispersal event from South America to Australia via Antarctica around ~40 million years ago:

I guess it depends on what you consider a "fossil". some of those frozen and mummified remains are considered fossils if they are more than 10,000 years old.

I have not seen details of the dire wolf story, but ancient DNA recovered from fossils is actually common, and scientists have successfully sequenced enormous DNA chunks from a number of extinct species, including complete genomes of a few. so DNA of fossil material does exist.

No, I use a regular camera lucida attached to a microscope!

Su nombre, elegido por voto popular, honra a Rita Schiapelli, pionera en aracnología, celebrando su colaboración con Berta Gerschman de Pikelin, a quien el género fue dedicado.

El artículo se puede leer gratuitamente desde la web del MACN:

revista.macn.gob.ar/ojs/index.ph...