Pisonia aculeata L. Natural History Museum. Click to open image viewer. CC0 Usage Conditions Apply Click for more information. Click to view download files. Click to view IIIF info. This media is in ...

Called Shishania aculeata, the new fossil reveals that the earliest molluscs (animals that do not have a backbone) were flat, shell-less slugs covered in a protective spiny armour.

Casearia aculeata Jacq. National Museum of Natural History. Click to open image viewer. CC0 Usage Conditions Apply Click for more information. Click to view download files. Click to view IIIF info.

The fossil is Shishania aculeata, a new-to-science species of ancient armored slug that dates back to the early Cambrian.It was covered in hollow cone-shaped spines that – remarkably – are ...

The researchers exposed D. muscorum and C. aculeata to Mars-like atmospheric conditions, including simulated air pressure and temperature changes, for five hours. They also simulated the amount of ...

Exceptional fossils with preserved soft parts reveal that the earliest mollusks were flat, armored slugs without shells. The new species, Shishania aculeata, was covered with hollow, organic, cone ...

Fruit set, fruit production, and fruit fall of the arborescent palm Acrocomia aculeata were documented for the Distrito Federal in central Brazil in 1984-1986. Flowering began in August and extended ...

Phenology, floral biology, the reproductive system, and pollination of the macauba palm, Acrocomia aculeata were studied in Central Brazil. The species is arborescent, single-stemmed, and reaches ...