Carvalho, Maria da Gloria Pires de New calmoniid trilobites (Phacopina, Acastoidea) from the Devonian of Bolivia - New York American Museum of Natural History 2003 - 17 p. ilus. Subjects--Topical Terms: ACASTOIDEADEVONICOTRILOBITA Subjects--Geographic Terms: BOLIVIACOCHABAMBALA PAZ Subjects--Index Terms: FORMACION BELEN