Gracilechinus affinis

Familia: Echinidae
Genus: Gracilechinus
Species:

Gracilechinus affinis (Mortensen, 1903)

Original combination: Echinus affinis Mortensen, 1903

Type locality: south of Iceland.

Syntypes: NHMD89636 [1]; NHMD89953 [2]; ZMB 4341 [3].

• Echinus affinis Mortensen, 1903: 100, 150-152, 179, pl. 5 figs 4, 8, pl. 15 figs 3, 10, pl. 16 figs 6, 20, pl. 18 figs 4, 16, 28, pl. 19 fig. 27, pl. 20 figs 17, 21.
• Pseudechinus affinis (Mortensen, 1903)
• Echinus affinus; — Serafy & Fell, 1985: 21.
  • Mispelling.
• Gracilechinus affinis (Mortensen, 1903); — Madeira et al., 2019: 109–110.

• Madeira, P., Kroh, A., Cordeiro, R., Frias Martins, A.M. de & Ávila, S.P. 2019. The Echinoderm Fauna of the Azores (NE Atlantic Ocean). Zootaxa 4639(1): 1–231. DOI: 10.11646/zootaxa.4639.1.1 PDF. Reference page. 
• Mortensen, T. 1903. Echinoidea (Part I). The Danish Ingolf-Expedition 4: 198 pp, 21 pls. BHL Reference page. 
• Serafy, D.K. & Fell, F.J. 1985. Marine flora and fauna of the northeastern United States. Echinodermata: Echinoidea. NOAA Technical Report NMFS. 33: 1–27. hdl: 1834/20578 . Reference page. 

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