Orcadacanthus pusillus ( Agassiz, 1844 ) Newman & L. & Burrow & Jones & Davidson, 2023

Newman, Michael J., L., Jan, Burrow, Carole J., Jones, Roger & Davidson, Robert G., 2023, The Middle Devonian acanthodian Orcadacanthus n. gen. from the Orcadian Basin of Scotland, Palaeontologia Electronica (a 5) 26 (1), pp. 1-31 : 5-8

Orcadacanthus pusillus ( Agassiz, 1844) n. comb.

Figures 2 -20, Supplemental Figure 1

1844 Acanthodes pusillus ; Agassiz, p. 35-36, pl. 28, figures 8-10.

1859 Acanthodes pusillus ; Gordon, p. 41.

1860 Acanthodes pusillus ; Gregory, p. 145, 147.

1861a Acanthodes peachi; Egerton, p. 57-59, pl. 6, figures 1-2.

1861a Acanthodes coriaceus; Egerton, p. 59-60, pl. 6, figures 3-5.

1861b Acanthodes peachi; Egerton, p. 78.

1868 Acanthodes pusillus Agassiz ; Peach, p. 72.

1868 Acanthodes pusillus Hancock and Atthey , p. 364.

1878 Acanthodes peachii, Eg.; Geikie, p. 404, tabs. 1-2.

1878 Acanthodes coriaceus, Eg.; Geikie, tabs. 1-2.

1878 Acanthodes pusillus, Ag. ; Geikie, tabs. 1-2.

1888 Mesacanthus pusillus, Ag. ; Traquair, p. 512.

1888 Mesacanthus peachi , Egert.; Traquair, p. 512.

1890 Acanthodes peachi (Egerton); Woodward and Sherborn, p. 119.

1890 Acanthodes pusillus (Agassiz) ; Woodward and Sherborn, p. 119.

1890 Mesacanthus pusillus, Ag. ; Traquair, p. 481.

1890 A. Peachii, Eg.; Traquair, p. 481.

1891 Acanthodes pusillus, Agassiz : Woodward, p. 11-12, pl. 1, figures 5-6.

1891 Acanthodes peachi, Egerton; Woodward, p. 12-13.

1894 Mesacanthus Peachi (Egert.); Traquair, p. 285.

1895 Mesacanthus pusillus, Agassiz, 1844 ; Traquair, p. 245.

1906 Acanthodes Pusillus ; Wallace, tab. 1.

1914 Mesacanthus Peachi (Egert.); Crampton and Carruthers, p. 6.

1935 Mesacanthus peachi (Egert.); Wilson, p. 38.

1948 Mesacanthus pusillus ; Read, p. 63.

1948 Mesacanthus peachi ; Phemister, p. 67.

1948 Mesacanthus pusillus ; Phemister, p. 68.

1964 Mesacanthus pusillus Agassiz, 1844 ; Novitskaya and Obruchev, p. 189.

1965 Mesacanthus pusillus ; Waterston, p. 293.

1968 Mesacanthus pusillus (Agassiz) ; Peacock, Berridge, Harris and May, p. 135.

1970 Mesacanthus pusillus (Agassiz) ; Miles, p. 362.

1974 Mesacanthus peachi ; Donovan, Foster and Westoll, tab. 2.

1976 Mesacanthus peachi Egerton; Mykura, p. 78.

1979 M. pusillus (Agassiz) 1844 ; Denison, p. 47- 48.

1979 M. peachi (Egerton) 1861; Denison, p. 48.

1979 M. sp.; Denison, p. 48.

1980 Mesacanthus peachi ; Donovan, p. tab. 3.

1982 Mesacanthus pusillus Ag ; Andrews, p. 47, figure 19d-f.

1986 M. peachi (Egerton); Trewin, p. 37.

1997 M. peachi; Young, p. 49.

1997 M. pusillus ; Young, p. 49.

1999 Mesacanthus pusillus Agassiz 1844 ; Trewin and Davidson, p. 543, tab. 3.

1999 Mesacanthus peachi Egerton, 1861: Dineley, p. 174, 181, 212.

1999 Mesacanthus pusillus ( Agassiz, 1844) ; Dineley, p. 198, 212, 215, figure 6.20.

2005 Mesacanthus pusillus (Agassiz) ; Newman and Dean, p. 2-6.

2005 Mesacanthus pusillus Agassiz 1844 ; Barclay and Trewin, p. 10.

2008 Mesacanthus peachi ( Agassiz, 1844)); Hanke, p. 289.

2008 Mesacanthus pusillus (Egerton, 1861) ; Hanke, p. 289.

2010 Mesacanthus pusillus ( Agassiz, 1844) ; Newman, p. 13-15, figures 21-23.

2015 Mesacanthus pusillus Agassiz ; Baron, p. 2-13, 15, 17-19, figures 6, 8.

2020 Mesacanthus pusillus ; Burrow, Newman and den Blaauwen, 1155-6, figure 1g.

2020 Mesacanthus pusillus Agassiz, 1844 ; Newman, den Blaauwen and Burrow, p. 34.

2021 Mesacanthus pusillus ; Baron and Seymour, p. 1-3, figures 1, 2.

2021 Mesacanthus pusillus ; Burrow, p. 63, figures 26D, 27C.

2021 Mesacanthus pusillus ; Burrow and den Blaauwen, p. 86, 89, figure 7d, e.

2022 Mesacanthus pusillus ; Burrow, den Blaauwen, and Newman, p. 4, 12.