Idiocranium russeli References Idiocranium russeli amphibian Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of EncyclopΓ¦dia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Gymnophiona/ Size and rangeThe smallest caecilians are Idiocranium russeli in West Africa and Grandisonia brevis in the Seychelles; these species attain lengths of only 98β104 mm (3.9β4.1 inches) and 112 mm (4.4 inches), respectively. Read MoreThe smallest caecilians are Idiocranium russeli in West Africa and Grandisonia brevis in the Seychelles; these species attain lengths of only 98β104 mm (3.9β4.1 inches) and 112 mm (4.4 inches), respectively. Read More