APPENDIX 2.

Early Cambrian (up to Botoman Stage) molluscs with evidence for shell pores, including the sources of information. This list was modified from that in Parkhaev (2006).

Taxon	Nature of evidence	Source(s)
Mellopegma uslonicum	Large, tapered tubercles	Kouchinsky 2000a; Parkhaev 2006
Yochelcionella sp.	Shallow tubercles	Kouchinsky 2000a
Mackinnonia anabarica	Large tubercles	Kouchinsky 2000a; Parkhaev 2006
Auricullina papulosa	Large tubercles	Kouchinsky 2000a; Parkhaev 2006
Auricullina granulosa	Elongate, cylindrical tubercles	Parkhaev 2006
Postacanthella elegans	Conical tubercles	Xing et al. 1984; Parkhaev 2006
Postacanthella sp.	Large tubercles	Kouchinsky 2000a; Parkhaev 2006
Tuberoconus paucipalillae	Large tubercles	Xing et al. 1984; Parkhaev 2006
Daedalia daedala	Conical tubercles	Gravestock et al. 2001; Parkhaev 2006
Anhuiconus microtuberus	Small tubercles	Zhou and Xiao 1984; Gravestock et al. 2001; Parkhaev 2006
Leptostega hyperborea	Small tubercles	Parkhaev 2006
Philoxenella spiralis	Tubercles plus columns	Parkhaev 2006
Khairkania rotata	Columns	Parkhaev 2006
Barskovia hemisymmetrica	Tubercles plus columns	Parkhaev 2006; personal observation
Nomgoliella australiensis	Tubercles plus columns	Gravestock et al. 2001; Parkhaev 2006