| Source Data | |
|---|
| Rank | species (PBDB) |
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| Taxonomy (PBDB) | Life : Animalia : Arthropoda : Trilobita : Agnostida : Agnostidae : Micragnostus : Geragnostus (Micragnostus) chengcunensis |
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Classification
(PBDB,GBIF) | |
|---|
| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
|---|
| Geragnostus (Micragnostus) chengcunensis | species | belongs to Geragnostus (Micragnostus) | stated with evidence | Qiu, 1984 |
|
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| Status (PBDB) | extinct |
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| Taxon Size (PBDB) | 1 |
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| First Recorded Appearance | 499 - 485 Ma
Cambrian |
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| Last Recorded Appearance | 499 - 485 Ma
Cambrian |
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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 Agnostidae) |
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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 | low Mg calcite, chitin (based on Trilobita) |
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| Primary Reference (PBDB) | H. Qiu. 1984. Trilobites from the Upper Cambrian Tangcun Formation in Jingxian, southern Anhui. Acta Palaeontologica Sinica 23(3):329-341 |
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Geragnostus (Micragnostus) chengcunensis β
