| Classification | Annonaceae: Onychopetalum | 
| Harvard University Herbaria Barcode(s) | 00039469 | 
| Type Status | Isotype | 
| Collector | B. A. Krukoff | 
| Collector number | 6909 | 
| Country | Brazil | 
| State | Amazonas | 
| Geography | South America: South America (Region) (Region): Brazil: Amazonas | 
| Locality | Municipality Humayta, near Livramento, on Rio Livramento, terra firma | 
| Date Collected | 1934-11-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/20ba3cf1-5b9c-47e0-b3fa-45377517f709 | 
| Harvard University Herbaria Barcode | 00039469 | 
| Herbarium | A | 
| Family | Annonaceae | 
| Type Status | Isotype | 
| Isotype of | Onychopetalum lanceolatum R. E. Fries | 
| Taxon Reference | (for  Onychopetalum lanceolatum R. E. Fries) Acta Horti Berg. 1937. 12(2): 266. | 
| Family | Annonaceae | 
| Determination | Onychopetalum amazonicum R. E. Fries | 
| Determined by | M. L. Vermeer & P. J. M. Maas | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |