Graptolithina

Pseudosteptograptus williamsi Loydell, 1991

Synonymy list
1970     Monograptus exiguus (Nicholson, 1868) — Hutt et al., pp. 11, fig. 2:43-46
1991     Pseudostreptograptus williamsi gen. et sp. nov. — Loydell, pp. 236, fig. 21a-b, e-h, 22f, 23
1993     Pseudostreptograptus williamsi Loydell, 1991 — Loydell, pp. 102, fig. 4:5; 5:8
2004     Pseudostreptograptus williamsi Loydell, 1991 — Loydell et Maletz, pp. 90, fig. 22-25
Selection of related publications
Loydell, D. K., Maletz, J. 2004. The Silurian graptolite genera Streptograptus and Pseudostreptograptus. Journal of Systematic Palaeontology 2, 2, 65-93. DOI:10.1017/S1477201904001117
References based on distribution