Requested reference
Helsdingen, P. J. van (1973c). A recapitulation of the Nearctic species of Centromerus Dahl (Araneida, Linyphiidae) with remarks on Tunagyna debilis (Banks). Zoologische Verhandelingen 124: 3-45. -- Show included taxa
Helsdingen, P. J. van (1973c). A recapitulation of the Nearctic species of Centromerus Dahl (Araneida, Linyphiidae) with remarks on Tunagyna debilis (Banks). Zoologische Verhandelingen 124: 3-45. -- Show included taxa