Triassic ecosystem in Skåne, Sweden.

Elatides sternbergii

Many Triassic conifers had small spiky leaves, just like this fossil from the coal fields of Bjuv in southern Sweden.

Conifers were probably among the tallest trees of the Triassic.

Dictyophyllum exile

This plant, which belongs to the family Dipteridaceae, was one of the largest ferns in the Skåne region during the Triassic. Today, its surviving relatives live only in the wet tropics.

Scanilepis dubia

Scanilepis was a large fish whose name means ”fish from Skåne” (a region of southern Sweden). Its body was covered with thick, hard scales, which was typical of early fish species.

The largest individuals of Scanilepis were even more dangerous predators than the amphibian Gerrothorax which shared the same ecosystem. 

Ricciopsis florinii

These small liverworts from the coal fields of Skåne in southern Sweden resemble the modern liverwort, Riccia. Liverworts are among the simplest land plants. Each consists of a thallus — a flat plant body without stem, leaves or roots.

Podozamites lanceolatus

Broad-leaved coniferous trees like Podozamites were common in the forests of the Triassic and Jurassic periods. Similar leaves are found today on the monkey puzzle tree and other species of Araucariaceae which grow in damp tropical and subtropical forests of South America and the southwest Pacific region.

Ctenis nilssonii

• During the Triassic, cycads were included in the ground vegetation of the lowland forests in what is now southern Sweden. Their leaves were shaped like those of bennettites, but the two plant groups were not closely related. The similarity is an example of convergent evolution.

Hyllingea svanbergi

Hyllingea lived in what is now the Skåne region during the early Triassic. On the underside of this fossil can be seen jaws with rows of teeth, plates that covered the gills, the tail fin, and the large left-side pectoral fin. The heavy skull can be seen on the upper side.

The entire body is covered with thick, ornamented scales. 

Nilssonia pterophylloides

Nilssonia is usually classified as a cycad, but probably belongs to a separate plant group.

Further research is being conducted on Nilssonia at the Swedish Museum of Natural History in order to increase knowledge of this extinct genus.

Name

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