It is represented by a single type species , H. rubeli , which was named in 1936 .
Hescheleria is an extinct genus of thalattosaurian marine reptile from the Middle Triassic ( 247.2 to ~ 235 Ma ) of Monte San Giorgio in Switzerland .
Hescheleria is represented by a single type species , H. rubeli , which was named in 1936 .
Hescheleria is an extinct genus of thalattosaurian marine reptile from the Middle Triassic ( 247.2 to ~ 235 Ma ) of Monte San Giorgio in Switzerland .