Shirley, T. C.; Storch, V. (1999). Halicryptus higginsi n.sp. (Priapulida): A Giant New Species from Barrow, Alaska. <em>Invertebrate Biology.</em> 118(4): 404-413., available online athttps://doi.org/10.2307/3227009[details] Available for editors [request]
Paulay, G. (2024). World List of Priapulida. Halicryptus higginsi Shirley & Storch, 1999. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=265142 on 2024-10-15
original descriptionShirley, T. C.; Storch, V. (1999). Halicryptus higginsi n.sp. (Priapulida): A Giant New Species from Barrow, Alaska. <em>Invertebrate Biology.</em> 118(4): 404-413., available online athttps://doi.org/10.2307/3227009[details] Available for editors [request]