Table 3 Summary of diversification patterns of the genus Niphargus and its major subclades.

From: A subterranean adaptive radiation of amphipods in Europe

Clade

Nr. of species analysed

Distribution

Nr. of habitats occupied

Nr. of morphotypes

Diversification pattern

Niphargus genus

377

From Ireland to Iran

6

9

Adaptive radiation

Pontic

28

Eastern Europe to Crimean Peninsula

6

6

Adaptive radiation

Pannonian

41

Northern Italy, Pannonian Basin and Carpathian arch

4

3

Adaptive radiation

South Dinaric

29

Southern Dinaric Region, Adriatic Islands, southern parts of Apennine Peninsula

5

6

Adaptive radiation

West Balkan

41

North-Western Balkan

6

8

Adaptive radiation

Apennine

38

Apennine Peninsula, Eastern coasts of Adriatic Sea

5

3

Non-adaptive radiation

North Dinaric

25

Northern Dinaric Region, Adriatic Islands, central parts of Apennine Peninsula

4

4

Adaptive radiation