Garassino A. & Donovan D. T. (2000). "A New Family Of Coleoids From The Lower Jurassic Of Osteno, Northern Italy". Palaeontology43(6): 1019-1038, 5 plates. PDFArchived 2020년 4월 27일 - 웨이백 머신
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Garassino A. & Donovan D. T. (2000). "A New Family Of Coleoids From The Lower Jurassic Of Osteno, Northern Italy". Palaeontology43(6): 1019-1038, 5 plates. PDFArchived 2020년 4월 27일 - 웨이백 머신