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Fossil lobsters from Canada: Tables

TABLE 1. The Uncina specimens use in this study with their locality, formation, stratigraphic height, when known, and age.

Species Specimen Number Locality Formation, Member Ammonite Zone - Stratigraphic Height
(Figure 2) included for
 East Tributary Specimens		 Age
U. pacifica TMP 2018.024.0005 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone (or older) - Float at 11m Toarcian or older
TMP 2018.024.0035 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone (or older) - Float at 11m Toarcian or older
TMP 2018.024.0004 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone (or older) - Float at 11m Toarcian or older
TMP 2018.024.0003 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone (or older) - Float at 11m Toarcian or older
TMP 2017.015.0007 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Unknown Unknown
TMP 2017.015.0005 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone- 11.1m Toarcian
TMP 2017.015.0003 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Unknown Unknown
TMP 2017.015.0001 a & b Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Unknown Unknown
TMP 2016.027.0003 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Unknown Unknown
TMP 2015.050.0069 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone
(or older) -		 Float at 11m Toarcian or older
TMP 2015.050.0039 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone
(or older) -		 Float at 11m Toarcian or older
TMP 2014.021.0023 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Unknown Unknown
TMP 2015.050.0038 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone- 10.45m Toarcian
TMP 2014.021.0033 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone- 11.18m Toarcian
TMP 2014.021.0034 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone- 11.15m Toarcian
TMP 2014.021.0007 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone- 11.5m Toarcian
TMP 2002.043.0012 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
TMP 2002 043.0019 a & b Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
TMP 2014.021.0003 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone- 10.2m Toarcian
TMP 2002.043.0008 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
TMP 2002.043.0015 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
TMP 2002.043.0007 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
TMP 2002.043.0003 a & b Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
TMP 2002.043.0006 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
TMP 2002.043.0002 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
TMP 2014.021.0008 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone- 11.5m Toarcian
TMP 2014.021.0002 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone- 10.25m Toarcian
TMP 2002.043.0004 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
TMP 2002.043.0005 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Margaritatus zone (Hall 2004) Pliensbachian
KMNH IvP 300,027 Northwestern coast of Ainoshima Island, Kokurakita-ku, Kitakyushu City, Fukuoka Prefecture. Yamaga Formation, Ashiya Group Not attributed to a zone Toarcian
U. ollerenshawi TMP 2018.024.0009 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone (or older) - Float at 11m Toarcian or older
TMP 2018.024.0006 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kanense Zone (or older) - Float at 11m Toarcian or older
TMP 2016.027.0008 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Material in Float Unknown
TMP 2015.051.0063 Ya Ha Tinda Ranch- Scalp Creek, AB, Canada Fernie Formation,
Red Deer Member		 Not Applicable/Material in Float Unknown
TMP 2014.0021.0052 A & B Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Carlottense Zone 7.75m Pliensbachian
TMP 2015.050.0011 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Carlottense Zone 6.55m Pliensbachian
TMP 2013.036.0002 Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Carlottense Zone 7.4m Pliensbachian
TMP 2005.028.0004 (pt & cpt) Ya Ha Tinda Ranch- East Tributary, AB, Canada Fernie Formation,
Red Deer Member		 Kunae Zone (estimated, material in float) Pliensbachian
GSC 80067 A & B (HOLOTYPE) GSC locality 75402 on Bighorn Creek, above a small waterfall Fernie Formation Margaritatus zone Pliensbachian
U. posidoniae  MB.A.3826 (2 claws) Holzmaden, Baden-Württemberg, SW Germany Lias epsilon Not Applicable Toarcian
Posidoniae1A SW Germany unknown Unknown Unknown
Posidoniae1B SW Germany unknown Unknown Unknown
Posidoniae2 SW Germany unknown Unknown Unknown
Poidoniae (LECTOTYPE) Metzingen, "Bierkeller", SW Germany (Schweigert et al., 2003, Plate 1) Posidonia Shale Formation,
Fleins Bed		 Tenuicostatum Zone,
Semicelatum Subzone		 Early Toarcian
SMNS no. 29150 (2 claws) Holzmaden, Baden-Württemberg, SW Germany (Schweigert et al., 2003, Plate 2) Posidonia Shale Formation, Unterer Schiefer Bed Tenuicostatum-Falciferum Zone,
Semicelatum or Exaratum Subzone		 Early Toarcian
No ID "Plate 4" (2 claws) Holzmaden, Baden-Württemberg, SW Germany (Schweigert et al., 2003, Plate 4) Posidonia Shale Formation, Unterer Schiefer Bed Tenuicostatum-Falciferum Zone,
Semicelatum or Exaratum Subzone		 Early Toarcian
SMNS no. 62815 Holzmaden, Baden-Württemberg, SW Germany (Schweigert et al., 2003, Plate 8) Posidonia Shale Formation, Unterer Schiefer Bed Tenuicostatum-Falciferum Zone,
Semicelatum or Exaratum Subzone		 Early Toarcian
U. alpina MSNM no. i10864 (2 claws) Monte Brughetto near Sogno, Southern Alps, N Italy (Schweigert et al., 2003, Plate 10, Figure 2) Basal beds of Sogno Formation Tenuicostatum or
Falciferum Zone		 Early Toarcian
MNSM no. i10863 Monte Brughetto near Sogno, Southern Alps, N Italy (Schweigert et al., 2003, Plate 10, Figure 3) Basal beds of Sogno Formation Tenuicostatum or
Falciferum Zone		 Early Toarcian
MNSM no. i10851 Kreuzwirtzbach gorge near Pfronten-Grau, Bavaria, S Germany (Schweigert et al., 2003, Plate 10, Figure 5) Allgau-Schichten Formation, Manganschiefer Member Tenuicostatum or
Falciferum Zone		 Early Toarcian

 

 

 

TABLE 2. Morphometric measurements of the uncinid claws used in Wilcoxon Ranked-Sum tests and box plots (Table 3, Table 4, Table 5, Table 6, Figure 6). If blank (dash), the specimen was fragmentary, making measurements impossible.

Species Specimen
Number		 Manus
Length
(mm)		 Manus
Height
(mm)		 Propodus
Length
(mm)		 Dactylus
Length
(mm)		 Dactylus
Thickness
(mm)		 Dactylus
Height
(mm)		 Manus
Height at
Attachment
(mm)		 Index
 Length
(mm)		 Notch
Length
(mm)		 Notch
Height
(mm)		 Index
 Height
(mm)
U. pacifica TMP 2018.024.0005 - - - 23.01 11.28 16.92 - - - - -
TMP 2018.024.0004 - 10.60 - - - - - 7.83 2.81 3.88 6.18
TMP 2017.015.0005 27.04 11.85 38.33 12.61 4.64 8.61 5.61 11.29 3.2 3.28 7.32
TMP 2017.015.0003 14.17 8.99 25.46 11.15 4.28 7.46 - - - - -
TMP 2017.015.0001a 16.92 9.59 24.5 9.81 4.01 7.26 4.76 6.46 2.39 2.91 6.69
TMP 2017.015.0001b 15.21 10.22 24.69 10.42 4.53 6.47 5.02 5.05 2.42 3.65 7.38
TMP 2016.027.0003 34.87 22.91 - - - - 9.81 - - - 16.53
TMP 2015.050.0039 27.63 17.38   15.7 7.36 9.45 7.36 11.6 - - 9.6
TMP 2014.021.0023 26.82 19.62 45.43 21.83 9.99 13.89 7.92 14.84 3.39 6.74 14.94
TMP 2014.021.0007 31.05 15.67 49.76 15.75 6.95 7.47 5.74 10.79 - 4.91 12.16
TMP 2002.043.0012       12.11 5.56 7.74 - - - - -
TMP 2002 043.0019a 14.91 8.28 27.7 11.2 4.47 8.04 4.98 7.02 2.78 2.71 6.37
TMP 2002 043.0019b - - - 11.8 4.24 8.67 - - - - -
TMP 2002.043.0008 18.02 9.5 27.7 - - - 4.35 8.77 3.26 2.84 6.98
TMP 2002.043.0015 - - - - - - - 7.4 - - 6.97
TMP 2002.043.0007 - - - 10.75 4.48 7.8 - - - - -
TMP 2002.043.0003a - 9.63 - - - - - 8.38 4.07 4.1 8.59
TMP 2002.043.0003b - - - - - - - 7.96 2.69 4.12 7.19
TMP 2002.043.0006 - 8.79 - - - - - 6.35 2.68 3.25 -
TMP 2002.043.0002 - - - 16.56 6.9 10.78 - - - - -
TMP 2014.021.0008 - - - 15.33 7.32 11.51 - - - - -
TMP 2002.043.0004 16.63 11.34 27.68 13.15 4.76 7.21 4.78 8.69 3.55 3.35 6.9
TMP 2002.043.0005 - 19.94 - 18.22 8.32 12.68 - 10.73 4.34 6.44 -
TMP 2014.021.0004 - - - - - - - - - - -
KMNH IvP 300,027 26.43 - 29.98 11.08 28.073 - 20.89 4.4 4.54 7.9 -
U. ollerenshawi TMP 2018.024.0009 - - - 25.6 7.38 10.75 - - - - -
TMP 2018.024.0006 - - - - - - - - 4.75 3.53 9.07
TMP 2016.027.0008 - - - 41.54 8.95 15.99 - - - - -
TMP 2015.051.0063 19.54 10.71 41.46 21.04 5.9 8.24 7.54 17.84 2.03 3.14 7.05
TMP 2015.050.0011 24.77 11.5 53.09 29.16 5.84 8.86 9.06 21.4 6.65 7.22 7.02
TMP 2013.036.0002 35.2 17.13 74.76 37.94 8.7 13.04 10.63 31.66 5.35 4.69 11.18
GSC 80067 A * HOLOTYPE 43.67 12.05 64.61 22.11 5.84 11.31 8.81 13.95 4.84 4.959 8.33
GSC 80067 B * HOLOTYPE 40.54 14.49 59.41 22.01 6.4 11.1 8.65 14.27 5.18 4.5 6.8
U. posidoniae MB.A.3826 top claw 24.73 7.67 39.16 14.77 4.08 7.06 5.03 9.9 2.43 3.06 4.07
MB.A.3826 bottom claw 24.52 7.99 39.51 13.27 3.56 6.61 5.24 9.8 2.39 2.94 4.74
Posidoniae1A 46.58 16.731 70.275 27.12 7.46 9.846 14.098 20.376 - - 7.797
Posidoniae1B 44.228 17.3 70.89 28.049 14.77 9.45 14.6 19.608 5.61 4.98 9.57
Posidoniae2 54.74 19.62 91.92 32.16 10.82 17.72 11.009 22.61 5.18 7.06 13.7
Poidoniae LECTOTYPE 57.96 20.167 91.18 32.404 10.77 16.064 13.971 23.506 - - 12.278
SMNS no. 29150 top claw 45.81 16.12 69.31 27.496 9.573 14.533 14.134 19.006 - - 8.967
SMNS no. 29150 bottom claw 45.66 16.26 68.54 26.419 9.451 14.22 13.802 18.971 - - 9.097
No ID "Plate 4" top claw 40.495 11.034 63.584 22.9 5.935 10.932 8.661 14.718 4.754 4.566 8.038
No ID "Plate 4" bottom claw 41.204 12.804 62.095 21.799 5.517 12.36 8.96 14.705 3.799 4.857 6.503
SMNS no. 62815 45.135 14.623 67.417 23.006 6.774 11.284 11.065 14.493 4.549 5.562 9.162
U. alpina MSNM no. i10864 left claw 13.31 3.15 19.08 5.12 2.03 2.74 2.84 1.65 0.79 1.72 1.99
MSNM no. i10864 right claw - 3.69 - 4.69 1.80 2.93 - 1.71 0.82 1.61 2.38
MNSM no. i10863 - 5.29 - 5.40 2.46 4.06 - 2.83 1.44 1.97 2.92
MNSM no. i10851 part - 4.20 - 6.00 2.70 4.16 - 2.82 1.24 1.56 2.89
MNSM no. i10851 counterpart - 4.30 - 6.50 2.31 4.28 - 2.97 1.21 1.33 3.02

 

 

 

TABLE 3. p -value results of the Wilcoxon Ranked-Sum tests comparing dactylus thickness to index height of each uncinid species. This test was employed to distinguish the differences in the depth of the index of each species. Alpha value = 0.05; see Table 2 for measurements and Appendix 3 for R code.

  U. pacifica U. ollerenshawi U. alpina
U. posidoniae <0.001* 0.267 0.743
U. alpina 0.006* 0.691 -
U. ollerenshawi 0.006* - -

* = Statistically significant difference via Wilcoxon ranked-sum testing (bold).

 

 

TABLE 4. p -value results of the Wilcoxon Ranked-Sum tests comparing the index length to index height of each uncinid species. This test was employed to determine the differences in the shape of the index between species. Alpha value = 0.05; see Table 2 for measurements and Appendix 3 for R code.

  U. pacifica U. ollerenshawi U. alpina

U. posidoniae

 <0.001* 0.145 <0.001*

U. alpina

 0.849 0.008* -

U. ollerenshawi

 <0.001* - -

* = Statistically significant difference via Wilcoxon ranked-sum testing (bold).

 

 

TABLE 5. p -value results of the Wilcoxon Ranked-Sum tests comparing the manus height at its minimum and its maximum for each uncinid species. This test was employed to determine the differences in the overall shape of the claw between species. Alpha value = 0.05; see Table 2 for measurements and Appendix 3 for R code.

  U. pacifica U. ollerenshawi U. alpina
U. posidoniae <0.001* 0.377 0.167
U. alpina 0.182 0.333 -
U. ollerenshawi 0.001* - -

* = Statistically significant difference via Wilcoxon ranked-sum testing (bold).

 

TABLE 6. p -value results of the Wilcoxon Ranked-Sum tests comparing the manus length to index length of each uncinid species. This test was employed to determine the differences in the relative length of the fingers between species. Alpha value = 0.05; see Table 2 for measurements and Appendix 3 for R code.

  U. pacifica U. ollerenshawi U. alpina
U. posidoniae 0.426 0.510 0.167
U. alpina 0.182 0.333 -
U. ollerenshawi 0.310 - -

* = Statistically significant difference via Wilcoxon ranked-sum testing (bold).

 

 

 

TABLE 7. p -value results of the Wilcoxon Ranked-Sum tests comparing the notch length to the notch height of each uncinid species. Alpha value = 0.05; see Table 2 for measurements and Appendix 3 for R code. Note that this test does not take roundness of the hook into account. This test was employed to determine the differences in the shape of the notch between species, which ultimately appears to be a trait that may be shared by all uncinids. It should be noted that these comparisons are difficult for U. alpina and U. ollerenshawi, as there is a paucity of measurements (low number) and a notably different curvature of U. alpina.

  U. pacifica U. ollerenshawi U. alpina
U. posidoniae 0.588 0.181 0.106
U. alpina 0.289 0.030* -
U. ollerenshawi 0.127 - -

* = Statistically significant difference via Wilcoxon ranked-sum testing (bold).