Belongs within: Cantharellales.
The Hydnaceae are a group of fungi in which the basidioma is pileate and stipitate, and the hymenophore is spinose (Kirk et al. 2001).
Hydnaceae
|--Corallofungus Kobayasi 1983KC01
|--Cystidiodendron Rick 1943 (n. d.)KC01
|--Dacrina Fr. 1825 (n. d.)KC01
|--Gloeomucro Petersen 1980KC01
|--Nigrohydnum Ryvarden 1987KC01
|--Phaeoradulum Pat. 1900KC01
`--Hydnum L. 1753 (nom. cons.) (see below for synonymy)KC01
| i. s.: H. albomagnumJK06
|--H. albidumBH05
`--+--H. repandumBH05
`--H. rufescensBH05
Hydnum L. 1753 (nom. cons.) [=Dentinum Gray 1821, Echinus Haller 1768 non Linnaeus 1758 (ICZN), Tyrodon Karst. 1881; incl. Bidonia Adans. 1763, Dicarphus Raf. 1808 (n. n.), Erinaceus Dill. ex Maratti 1822 non Linnaeus 1758 (ICZN), Hypothele Paulet 1812 (nom. inv.)]KC01
*Type species of generic name indicated
References
[BH05] Binder, M., D. S. Hibbett, K.-H. Larsson, E. Larsson, E. Langer & G. Langer. 2005. The phylogenetic distribution of resupinate forms across the major clades of mushroom-forming fungi (Homobasidiomycetes). Systematics and Biodiversity 3 (2): 113–157.
[JK06] James, T. Y., F. Kauff, C. L. Schoch, P. B. Matheny, V. Hofstetter, C. J. Cox, G. Celio, C. Gueidan, E. Fraker, J. Miadlikowska, H. T. Lumbsch, A. Rauhut, V. Reeb, A. E. Arnold, A. Amtoft, J. E. Stajich, K. Hosaka, G.-H. Sung, D. Johnson, B. O’Rourke, M. Crockett, M. Binder, J. M. Curtis, J. C. Slot, Z. Wang, A. W. Wilson, A. Schüßler, J. E. Longcore, K. O’Donnell, S. Mozley-Standridge, D. Porter, P. M. Letcher, M. J. Powell, J. W. Taylor, M. M. White, G. W. Griffith, D. R. Davies, R. A. Humber, J. B. Morton, J. Sugiyama, A. Y. Rossman, J. D. Rogers, D. H. Pfister, D. Hewitt, K. Hansen, S. Hambleton, R. A. Shoemaker, J. Kohlmeyer, B. Volkmann-Kohlmeyer, R. A. Spotts, M. Serdani, P. W. Crous, K. W. Hughes, K. Matsuura, E. Langer, G. Langer, W. A. Untereiner, R. Lücking, B. Büdel, D. M. Geiser, A. Aptroot, P. Diederich, I. Schmitt, M. Schultz, R. Yahr, D. S. Hibbett, F. Lutzoni, D. J. McLaughlin, J. W. Spatafora & R. Vilgalys. 2006. Reconstructing the early evolution of Fungi using a six-gene phylogeny. Nature 443: 818–822.
[KC01] Kirk, P. M., P. F. Cannon, J. C. David & J. A. Stalpers. 2001. Ainsworth & Bisby’s Dictionary of the Fungi 9th ed. CAB International: Wallingford (UK).