1 / (1), fig. 5
This paper / Carbon + phosphate / Hallucigenia sparsa / Series 3, Stage 5 / Burgess Shale, southwest Canada / Triangular / Diagonal / Present / Diminishing, more closely spaced / Absent / Present / Gently curving / Not flaring / Present / Hallucigenia sparsa
2 / (2), figs. 3.5–3.7
This paper / Carbon / cf. Rushtonites / Series 2, upper Stage 4, and Series 3, Stage 5. / Mount Cap Fm., northwest Canada / Triangular / Diagonal / Present / Diminishing, more closely spaced / Absent / Present / Gently curving / Not flaring / Present / Hallucigenia sparsa
3 / This paper / Carbon / — / Series 2, Stage 4 / Forteau Fm., northwest Canada / Triangular – tip trifurcated / Diagonal, some sub-transverse rows / Substantial / Diminishing, more closely spaced / Absent / Absent? / Gently curving / Not flaring / Suggested by apical thickening / Hallucigenia sp.
4 / (3), fig. 7A–E / Carbon / cf.Rushtonites / Mongolitubulus / Series 3, early Stage 5 / Kaili / Triangular / Diagonal or sub-transverse rows / Present / Unknown / Absent / Absent? / Curving or Gently curving / Unknown / Present / Hallucigenia sp.
5 / (4–6) / Phosphate / Rhombocorniculum cancellatum / Series 2, Stage 3 / England, North America, China, Mongolia, Siberia, Kazhakhstan… / Triangular / Diagonal / Present / Unknown / Absent / Present / Curving / No evidence of flaring / Suggested by external constrictions / Hallucigeniid
6 / (7) / Phosphate / Rhombocorniculum insolutum / Dokidocyathus tenaicus zone, Latest Tommotian (Terreneuvian, Stage 2) / Kazakhstan / Elongate triangles / Diagonal / Present / Unclear / Absent / Unknown / Gently curving / Narrowing – not flaring / Unknown / Hallucigenia sp.
7 / (4) / Phosphate / Rushtonites spinosus / Series 2, Stage 4 / Lower Comley Limestones, England / Triangles, rounded tips / Diagonal / Present / Unknown / Unknown / Unknown; spine wall comprises two layers / Gently curving / Unknown / Represented by organic internal layer? / Hallucigenia sp.
8 / (8), fig. 2A–D
(9), fig. 2 / Phosphate / M. squamifer / Dyeran = Bonnia-Olenellus Zone (Series 2, late Stage 3- ?early Stage 4) / Henson Gletscher Fm., central North Greenland / Rounded triangles / Diagonal / Present / Unknown / Diminishing or absent / Present / Straight or gently curving / Unknown / Unknown / Hallucigenia sp.
9 / (10), fig, 13
(11), fig. 23, A, B, D–H
(12), Pl. 8.5
(13) / Phosphate / M. squamifer / Botomian: Series 2, late Stage 3 / early Stage 4 / Glacial erratics, West Antarctica; Kazakhstan / Rounded triangles or rhombi / Diagonal / Present / Unknown / Diminishing or absent / Present / Gently curving / Unknown / Absent? / Hallucigenia sp.
10 / (14), figs. 2-3 / Phosphate / Mongolitubulus / Xenusion / Latest Atdabanian (Series 2, mid Stage 3) / Shabakhty Fm., Kazakhstan / Rounded triangles / Diagonal / Present / Diminishing, more closely spaced / Absent / Present / Straight or curving / Not flaring–narrowing slightly? / Unknown / Hallucigenia sp.
11 / (15), fig. 5 A–H / Phosphate / M. squamifer / Pararaia biozone (Series 2, mid to late Stage 3) / Mernmerna Formation, Ajax limestone, Australia / Rounded triangles / Diagonal / Present / Unknown / Absent / Internal layer apparent in Fig. 5H / Gently curving / Unknown / Unknown / Hallucigenia sp.
(16),
plate I:1–2 / Phosphate / M. squamifer / “Lower Cambrian”: Series 2? / Mongolia / Siberia / Rhombi / Two intersecting diagonal series / Absent / Unknown / Unknown / Gently curving? / Unknown / Unknown / ?
(9), fig 3 / Phosphate / M. henrikseni / Early to mid Dyeran (Series 2, Stage 3) / Bastion Fm, North-east Greenland / Pustules / Irregular or in loose rings / n/a / Diminishing / As shaft / Absent? / Gently curving / Strongly flaring / Absent / Bradoriid
(15), fig. 5 I-N / Phosphate / M. sp. / Pararaia biozone (Series 2, mid to late Stage 3) / Mernmerna Formation, Ajax limestone, Australia / Oblongs and pustules / Approximately diagonal; linear rows of pustules / Absent / No change, until base begins to flare / As shaft / Absent? / Gently curving with distal hook / Flaring / Unknown / Bradoriid
(15), fig. 6 / Phosphate / M. unispinosa / Pararaia biozone (Series 2, Stage 3) / Mernmerna Formation, Ajax limestone, Australia / Pustules or spinose projection / Irregular or single diagonal series / n/a / No change / As shaft / Absent / Bent rod / Flaring, attached to carapace / Unknown / Bradoriid
(17) / Phosphate / M. aspermachaera / Furongian: Jiangshanian / Alum Shale Formation, Sweden / Pustular ‘pads’ / Irregular or forming transverse rings / n/a / No change / As shaft / Absent? / Bent, with hooked apex / Flaring / Absent? / Bradoriid
(18), fig. 4.19 / Phosphate / M. squamifer? / Series 2, Stage 4 / Ville Guay Fm., Quebec / Pustules / Irregular / n/a / Unknown / As shaft, per (19) fig. 4.12 / Unknown / Unknown / Unknown / Unknown / Bradoriid?
(20), figs. 33–35 / Phosphate / M. reticulatus / Series 3: Stage 5 to early Drumian / Kuonamka Fm., Northern Siberia / Reticulate network / n/a / n/a / No change / As shaft / Absent? / Straight with apical hook / Flaring / Unknown / Bradoriid
(21), fig. 5 E–J / Phosphate / M. squamifer / Ordian: Series 2, late Stage 4 to Series 3, early Stage 5 / Pincally Fm., NSW, Australia / Blunt tubercles / Sub-linear columns / n/a / Unknown / Unknown / Unknown / Gently curving / Unknown / Absent? / Bradoriid
(22), fig. 1 / Phosphate / Ornamented Tube Form I / Series 3, Drumian–Guzhangian / Huaqiao Fm., west Hunan, China / Oblongs / Linear columns / n/a / Unknown / Unknown / Two or three layers / Gently curving / Unknown / Unknown / Bradoriid?
(22), fig. 2 / Phosphate / Ornamented Tube Form II / Series 3, Drumian–Guzhangian / Huaqiao Fm., west Hunan, China / Tiny spines or ovoid sculptures / Irregular; separate motif on convex side of spines / n/a / Unknown / Unknown / Unknown / Gently curving, hooked apex? / Flaring / Unknown / Bradoriid
(23), fig. 6.1–2 / Phosphatic / “Rushtonites” asiatica / Branchian: Series 2, Stage 3 / Brigus Fm., Newfoundland / Conical ‘lumps’ / Irregular / n/a / Unknown / As shaft / No / Gently curving / Unknown / Absent / Bradoriid?
ESM-Table 1. Evaluation of material ascribed to the hallucigeniids, Mongolitubulus or Rhombocorniculum. Cells are shaded where they match the state in Hallucigenia, and hatched where their value is uncertain.
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