| 2024 | Gnathichnus pentax Bromley, 1975b | Knaust & Schnick | 15 | 7B | Knaust & Schnick, 2024 |
| 2022 | Gnathichnus pentax | Wisshak, Meyer, Kuklinski, Rüggeberg & Freiwald | 123 | | Wisshak et al., 2022a |
| 2022 | Gnathichnus pentax | Collareta, Peri, Godfrey & Bianucci | | 3 | Collareta et al., 2022c |
| 2022 | Gnathichnus pentax Bromley, 1975 | Martinell & Domènech | 242 | | Martinell & Domènech, 2022 |
| 2021 | Gnathichnus | Angseesing | | 3 | Angseesing, 2021 |
| 2020 | Gnathichnus pentax | Jagt, Deckers, De Leebeeck, Donovan & Nieuwenhui | | 3, 4 | Jagt et al., 2020 |
| 2017 | Gnathichnus pentax Bromley, 1975 | Breton, Wisshak, Néraudeau & Morel | | 2C, D, 3C | Breton et al., 2017 |
| 2017 | Gnathichnus pentax Bromley, 1975 | Belaústegui et al. | | 3:2 | Belaústegui et al., 2017 |
| 2015 | Gnathichnus pentax Bromley, 1975 | Reolid, Santos & Mayoral | 24 | 3b, 3c, 3d, 3e, 3f, 3g | Reolid et al., 2015 |
| 2013 | Gnathichnus pentax Bromley, 1975 | Taylor et al. | 230 | 4 | Taylor et al., 2013b |
| 2011 | Gnathichnus pentax Bromley, 1975 | Meyer | 560, 562 | 5, 7 | Meyer, 2011 |
| 2007 | Gnathichnus pentax | de Gibert, Domenech & Martinell | 787 | 4 | de Gibert et al., 2007 |
| 2007 | Gnathichnus pentax Bromley, 1975 | Wilson | 357 | 20.10 | Wilson, 2007a |
| 2006 | Gnathichnus pentax Bromley, 1975 | Radley | | 1 | Radley, 2006 |
| 2005 | Gnathichnus pentax Bromley, 1975 | Wisshak, Gektidis, Freiwald & Lundälv | 111 | 14E | Wisshak et al., 2005a |
| 2005 | Gnathichnus pentax Bromley, 1975b | Försterra, Beuck, Häussermann & Freiwald | 950 | 3F, G | Försterra et al., 2005 |
| 1999 | Gnathichnus pentax Bromley, 1975 | Radwandka | | | Radwanska, 1999 |
| 1993 | Gnathichnus pentax | Bromley & Asgaard | 277 | 1 | Bromley & Asgaard, 1993a |
| 1993 | Gnathichnus pentax Bromley, 1975b | Bromley & Asgaard | 90 | | Bromley & Asgaard, 1993b |
| 1992 | Gnathichnus stellarum | Breton, Néraudeau & Cuenca-Boulat | 229 | | Breton et al., 1992 |
| 1985 | Gnathichnus pentax Bromley, 1975 | Barrier & D'Alessandro | 389 | | Barrier & D’Alessandro, 1985 |
| 1982 | Gnathichnus pentax Bromley, 1975 | Martinell | 250 | 1:2, 3, 4, 5, 6 | Martinell, 1982b |
| 1980 | Rederosignus quinqueradialis | Michalík | | | Michalík, 1980 |
| 1977 | Gnathichnus pentax Bromley, 1975 | Fürsich & Wendt | 271 | | Fürsich & Wendt, 1977 |
| 1977 | Rederosignus quinqueradialis | Michalik | | | Michalík, 1977 |
| 1975 | Ichnospecies Gnathichnus pentax nov. | Bromley | 738 | 85:1-3; 86: 3-5; 87: 1-7; 8:1-7 | Bromley, 1975b |