Name: Paleopneustes hystrix Agassiz, 1880
| Is synonym of | Heterobrissus hystrix | |
| Reference | Reports on the results of dredging by the United States coast survey steamer "Blake". IX. Preliminary report on the Echini | |
| Is synonym of | Heterobrissus hystrix | |
| Reference | Reports on the results of dredging by the United States coast survey steamer "Blake". IX. Preliminary report on the Echini | |