Source Data | |
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Rank | species (PBDB) |
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Taxonomy (PBDB) | Life : Animalia : Arthropoda : Trilobita : Agnostida : Metagnostidae : Geragnostus : Geragnostus (Microagnostus) callaveiformis |
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Classification (PBDB,GBIF) | |
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Opinions (PBDB) | Name | Rank | Opinion | Evidence | Author |
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Geragnostus (Microagnostus) callaveiformis | species | belongs to Geragnostus (Microagnostus) | stated with evidence | Harrington and Leanza, 1957 |
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Status (PBDB) | extinct |
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Taxon Size (PBDB) | 1 |
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First Recorded Appearance | 485 - 478 Ma Paleozoic |
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Last Recorded Appearance | 485 - 478 Ma Paleozoic |
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Environment | marine (based on Trilobita) |
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Motility | slow-moving (based on Agnostida) |
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Vision | blind (based on Metagnostidae) |
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Diet | detritivore (based on Agnostida) |
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Ontogeny | molting,addition of parts (based on Trilobita) |
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Taphonomy | minor spines (based on Geragnostus) |
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Primary Reference (PBDB) | H. J. Harrington and A. F. Leanza. 1957. Ordovician trilobites of Argentina. Department of Geology, University of Kansas Special Publication. Lawrence: University of Kansas Press 1:1-276 |
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