Hayward, B. W.; Holzmann, M.; Grenfell, H. R.; Pawlowski, J.; Triggs, C. M. (2004). Morphological distinction of molecular types in Ammonia - towards a taxonomic revision of the world's most commonly misidentified foraminifera. Marine Micropaleontology. 50: 237-271.
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Hayward, B. W.; Holzmann, M.; Grenfell, H. R.; Pawlowski, J.; Triggs, C. M.
2004
Morphological distinction of molecular types in Ammonia - towards a taxonomic revision of the world's most commonly misidentified foraminifera