| Citation | Bamber, R.N. and A. El Nagar, 2007 Pycnobase: Pycnogonida World Database. Available online at http://www.marinespecies.org/pycnobase/ | |
| Ref. | 8434 Bamber, R.N. and A. El Nagar, 2007 | |
| Page | ||
| Named Used as Valid | Prototrygaeus contrarius | |
| Comment | http://wwwmarinespeciesorg/pycnobase/aphiaphp?p=specdetails&id=240052 | |
| Locality | Pacific Ocean (outer gulf of Guayaquil, Ecuador) | |
| Distribution |