Species richness by basin. A Dendrogram of species composition by basin using Jaccard’s Similarity Index. B Grid map 50 x 50 km showing the geographical distribution of species by basin.

  Part of: Rassam H, Ghamizi M, Benaissa H, Clewing C, Albrecht C (2021) The fingernail clams (Bivalvia: Veneroida: Sphaeriidae) of Morocco: Diversity, distribution and conservation status. Biodiversity Data Journal 9: e73346. https://doi.org/10.3897/BDJ.9.e73346