Martínez, S., Reichler, V. & Mooi, R. 2005. A new species of Abertella (Echinoidea: Scutellina) from the Gran Bajo del Gualicho Formation (Late Early Miocene-Early Middle Miocene), Río Negro Province, Argentina. Journal of Paleontology 79, 1229-1233.
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Martínez, S.; Reichler, V.; Mooi, R.
2005
A new species of Abertella (Echinoidea: Scutellina) from the Gran Bajo del Gualicho Formation (Late Early Miocene-Early Middle Miocene), Río Negro Province, Argentina