Antrimpos speciosus, shrimp Argentinosaurus The middle lobe is a

The middle lobe is a continuation of the notochord

Its discovery was announced by H

approximately 600 living species are known: most free-living feather stars or comatulids living in the shallow seas

With this image of Precambrian sea pens in mind

Antrimpos speciosus, shrimp Argentinosaurus The middle lobe is aAntrimpos speciosus was a large Eucarid (shrimp) from the lithographic limestone beds of Solnhofen, Bavaria, Germany. These limestone beds are the result of a series of islands and shallow lagoons. The fine grained sediments in these lagoons produced nearly flawless remains of the plants and animals which fell or were washed into them as well as some of their natural residents. It possessed an elongated, segmented body with a light carapace