47327 Xenophallus umbratilis (Meek, 1912) Poeciliidae Poeciliids Poeciliinae Cyprinodontiformes Teleostei Shadow toothcarp Central America: Lake Nicaragua on the Atlantic drainage to the Río Parismina and the Río Tenorio drainage on the Pacific slope (Ref. 36880). Costa Rica and Nicaragua. AMNH 8349 1914 Neoheterandria umbratilis GCRL 6666 1959 Xenophallus umbratilis GCRL 6658 1960 Xenophallus umbratilis GCRL 6661 1960 Xenophallus umbratilis GCRL 6667 1960 Xenophallus umbratilis AMNH 20591 1962 Neoheterandria umbratilis AMNH 37665 1966 Neoheterandria umbratilis