Figure 4. Distribution maps of the studied species. (A) Distribution of Adeonella calveti: open circles: living populations and dead submarine specimens; solid circles: fossil populations. (B) Distribution of Adeonella pallasii: open squares: living and partly dead populations; crossed squares: exclusively dead populations: solid squares: fossil populations. (C) Distribution of: Adeonella adae (stars), Adeonella pozarae (dented open circle) and Adeonella flabellata (composite rhombus).