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Pennsylvanian bryozoan fauna: Appendix

Descriptive statistics (raw data are summarized in Supplementary material). Abbreviations: N = number of measurements; X = mean; SD = sample standard deviation; CV = coefficient of variation; MIN = minimal value; MAX = maximal value.

 

Fistulipora nodulifera Meek, 1872 (three colonies measured).

  N X SD CV MIN MAX
Autozooecial aperture width, mm 42 0.30 0.027 8.94 0.22 0.35
Autozooecial aperture spacing, mm 42 0.48 0.046 9.61 0.40 0.60
Vesicle diameter, mm 30 0.11 0.023 21.88 0.05 0.15
Vesicles per aperture 25 12.4 1.121 9.01 10.0 15.0
Vesicle spacing, mm 20 0.09 0.019 21.59 0.05 0.12

 

Eridopora beilensis Perkins & Perry in Perkins et al., 1962 (three colonies measured).

  N X SD CV MIN MAX
Autozooecial aperture width, mm 27 0.30 0.046 15.30 0.21 0.39
Autozooecial aperture spacing, mm 29 0.42 0.041 9.78 0.35 0.50
Vesicle diameter, mm 25 0.07 0.017 22.90 0.05 0.10
Vesicle spacing, mm 10 0.06 0.014 22.34 0.04 0.08

 

Cystodictya formosa Moore, 1929 (five colonies measured).

  N X SD CV MIN MAX
Branch width, mm 13 0.97 0.243 25.15 0.58 1.44
Branch thickness, mm 12 0.68 0.165 24.35 0.40 0.94
Autozooecial aperture width, mm 30 0.14 0.024 16.90 0.10 0.18
Autozooecial aperture spacing along branch, mm 30 0.59 0.070 12.00 0.47 0.72
Autozooecial aperture spacing diagonally, mm 30 0.31 0.052 16.85 0.23 0.42
Vesicle diameter, mm 10 0.06 0.007 11.84 0.05 0.07

 

Goniocladia grahamensis Moore, 1929 (two fragments measured).

  N X SD CV MIN MAX
Branch width, mm 5 0.61 0.069 11.36 0.54 0.70
Autozooecial aperture width, mm 8 0.14 0.022 16.09 0.11 0.16
Autozooecial aperture spacing, mm 11 0.45 0.104 22.86 0.30 0.60

 

Dyscritella felixi n. sp. (two colonies measured).

  N X SD CV MIN MAX
Autozooecial aperture width, mm 20 0.19 0.020 10.59 0.15 0.24
Autozooecial aperture spacing, mm 20 0.26 0.030 11.32 0.23 0.35
Acanthostyle diameter, mm 20 0.037 0.008 22.52 0.025 0.053
Acanthostyles per aperture 8 5.9 0.835 14.20 5.0 7.0
Exilazooecia width, mm 20 0.07 0.019 26.89 0.04 0.10
Exilazooecia per aperture 10 2.5 0.972 38.87 1.0 4.0
Exozonal wall thickness, mm 10 0.042 0.007 15.63 0.033 0.055

 

Rhombopora lepidodendroides Meek, 1872 (five colonies measured).

  N X SD CV MIN MAX
Branch width, mm 7 1.05 0.286 27.34 0.73 1.48
Exozone width, mm 7 0.29 0.083 28.21 0.19 0.40
Endozone width, mm 7 0.46 0.142 30.84 0.27 0.68
Autozooecial aperture width, mm 40 0.15 0.017 11.55 0.11 0.18
Autozooecial aperture spacing along branch, mm 40 0.47 0.049 10.42 0.37 0.58
Autozooecial aperture spacing diagonally, mm 40 0.28 0.030 10.68 0.23 0.35
Acanthostyle diameter, mm 35 0.049 0.007 14.38 0.038 0.063
Aktinotostyle diameter, mm 35 0.028 0.009 32.83 0.015 0.050
Metazooecia width, mm 10 0.052 0.011 20.69 0.041 0.074

 

Streblotrypa (Streblotrypa) multipora Warthin, 1930 (five colonies measured).

  N X SD CV MIN MAX
Branch width, mm 10 0.58 0.090 15.36 0.43 0.76
Exozone width, mm 5 0.16 0.044 28.16 0.10 0.20
Endozone width, mm 5 0.28 0.086 30.99 0.19 0.38
Axial bundle width, mm 3 0.13 0.020 15.38 0.11 0.15
Autozooecial aperture width, mm 15 0.08 0.011 13.94 0.07 0.11
Autozooecial aperture spacing along branch, mm 15 0.50 0.055 11.05 0.39 0.59
Autozooecial aperture spacing diagonally, mm 13 0.28 0.030 10.81 0.24 0.34
Metazooecia width, mm 10 0.03 0.009 27.69 0.02 0.04
Metazooecia per aperture 10 8 0.876 10.81 7 10

 

Rhombocladia delicata Rogers, 1902 (five colonies measured).

  N X SD CV MIN MAX
Branch width, mm 9 0.92 0.106 11.54 0.74 1.07
Branch thickness, mm 5 0.49 0.059 11.99 0.40 0.55
Autozooecial aperture width, mm 10 0.12 0.009 7.99 0.10 0.14
Autozooecial aperture spacing along branch, mm 10 0.41 0.028 6.96 0.35 0.44
Autozooecial aperture spacing diagonally, mm 10 0.24 0.015 6.24 0.22 0.26
Node diameter, mm 10 0.049 0.013 27.30 0.033 0.065

 

Chainodictyon minor Ulrich, 1890 (two colonies measured).

  N X SD CV MIN MAX
Branch width, mm 12 0.46 0.137 29.61 0.30 0.79
Autozooecial aperture width, mm 20 0.10 0.011 10.60 0.09 0.13
Autozooecial aperture spacing along branch, mm 20 0.45 0.084 18.86 0.32 0.57
Autozooecial aperture spacing diagonally, mm 20 0.28 0.037 13.32 0.21 0.35
Leptozooecia width, mm 10 0.042 0.010 23.27 0.030 0.055

 

Fabifenestella compactilis (Condra, 1902) (two colonies measured).

  N X SD CV MIN MAX
Branch width, mm 13 0.32 0.033 10.30 0.28 0.37
Dissepiment width, mm 15 0.18 0.025 14.44 0.14 0.22
Fenestrule width, mm 15 0.21 0.037 17.89 0.15 0.27
Fenestrule length, mm 15 0.51 0.098 19.45 0.38 0.63
Distance between branch centres, mm 15 0.51 0.097 19.17 0.25 0.60
Distance between dissepiment centres, mm 15 0.67 0.097 14.44 0.55 0.81
Autozooecial aperture width, mm 25 0.08 0.006 8.35 0.07 0.09
Autozooecial aperture spacing along branch, mm 25 0.28 0.019 6.84 0.24 0.31
Autozooecial aperture spacing diagonally, mm 25 0.27 0.023 8.49 0.23 0.32
Keel node diameter, mm 15 0.05 0.005 9.68 0.04 0.06
Node spacing, mm 15 0.14 0.013 9.17 0.12 0.16
Apertures per fenestrule length 15 2.5 0.516 20.38 2.0 3.0

 

Laxifenestella placida Moore, 1929 (four colonies measured).

  N X SD CV MIN MAX
Branch width, mm 25 0.45 0.055 12.15 0.32 0.54
Dissepiment width, mm 25 0.30 0.088 29.03 0.18 0.52
Fenestrule width, mm 30 0.43 0.054 12.63 0.30 0.53
Fenestrule length, mm 30 1.08 0.129 11.91 0.82 1.35
Distance between branch centres, mm 25 0.85 0.090 10.60 0.70 1.03
Distance between dissepiment centres, mm 30 1.41 0.138 9.79 1.20 1.65
Autozooecial aperture width, mm 40 0.10 0.013 13.30 0.072 0.120
Autozooecial aperture spacing along branch, mm 40 0.30 0.025 8.33 0.25 0.35
Autozooecial aperture spacing diagonally, mm 40 0.34 0.036 10.43 0.28 0.42
Maximum chamber width, mm 30 0.15 0.022 14.64 0.11 0.18
Keel node diameter, mm 15 0.09 0.013 14.02 0.07 0.12
Node spacing, mm 10 0.98 0.295 30.04 0.66 1.50
Apertures per fenestrule length 15 4.5 0.516 11.39 4.0 5.0

 

Laxifenestella texana n. sp. (five colonies measured)

  N X SD CV MIN MAX
Branch width, mm 20 0.27 0.032 11.71 0.23 0.34
Dissepiment width, mm 20 0.21 0.052 24.68 0.12 0.33
Fenestrule width, mm 20 0.27 0.041 15.31 0.20 0.33
Fenestrule length, mm 20 0.60 0.066 10.95 0.44 0.70
Distance between branch centres, mm 20 0.52 0.072 13.85 0.37 0.67
Distance between dissepiment centres, mm 20 0.81 0.064 7.93 0.73 0.97
Autozooecial aperture width, mm 40 0.08 0.009 10.97 0.07 0.09
Autozooecial aperture spacing along branch, mm 40 0.24 0.013 5.39 0.23 0.30
Autozooecial aperture spacing diagonally, mm 40 0.24 0.017 7.28 0.20 0.27
Maximum chamber width, mm 12 0.10 0.011 10.82 0.08 0.11
Keel node diameter, mm 10 0.04 0.006 15.97 0.03 0.05
Node spacing, mm 20 0.19 0.020 10.40 0.16 0.24
Apertures per fenestrule length 20 3.2 0.410 12.82 3.0 4.0
Diameter of reproductive heterozooecia, mm 20 0.14 0.012 8.89 0.11 0.16

 

Cavernella praecavifera (Schulga-Nesterenko, 1951) (five colonies measured).

  N X SD CV MIN MAX
Branch width, mm 21 0.23 0.028 12.24 0.19 0.29
Dissepiment width, mm 35 0.14 0.016 11.06 0.11 0.19
Fenestrule width, mm 25 0.28 0.048 17.11 0.19 0.39
Fenestrule length, mm 25 0.62 0.053 8.57 0.53 0.71
Distance between branch centres, mm 25 0.49 0.076 15.44 0.37 0.63
Distance between dissepiment centres, mm 35 0.77 0.037 4.83 0.67 0.84
Autozooecial aperture width, mm 20 0.09 0.007 8.05 0.08 0.10
Autozooecial aperture spacing along branch, mm 20 0.24 0.018 7.67 0.20 0.27
Autozooecial aperture spacing diagonally, mm 20 0.22 0.014 6.37 0.20 0.25
Maximum chamber width, mm 35 0.11 0.009 8.55 0.09 0.13
Keel node diameter, mm 15 0.05 0.011 20.78 0.04 0.07
Node spacing, mm 15 0.34 0.038 10.97 0.28 0.42
Apertures per fenestrule length 30 3.0 0.490 16.16 2.0 4.0
Cavernozooecia width, mm 20 0.08 0.016 20.26 0.06 0.10

 

Acupipora elliptica (Rogers, 1900) (five colonies measured).

  N X SD CV MIN MAX
Branch width, mm 20 0.49 0.068 14.07 0.36 0.60
Dissepiment width, mm 25 0.31 0.080 25.41 0.18 0.45
Fenestrule width, mm 25 0.42 0.076 17.94 0.27 0.60
Fenestrule length, mm 24 0.85 0.073 8.64 0.70 0.99
Distance between branch centres, mm 23 0.88 0.135 15.24 0.65 1.15
Distance between dissepiment centres, mm 28 1.17 0.132 11.28 0.96 1.43
Autozooecial aperture width, mm 55 0.09 0.007 8.16 0.08 0.11
Autozooecial aperture spacing along branch, mm 55 0.26 0.024 8.99 0.22 0.32
Autozooecial aperture spacing diagonally, mm 55 0.22 0.027 12.45 0.16 0.29
Maximum chamber width, mm 46 0.11 0.012 11.05 0.09 0.13
Keel node diameter, mm 30 0.053 0.010 18.36 0.035 0.083
Node spacing, mm 31 0.25 0.043 17.34 0.14 0.32
Apertures per fenestrule length 25 4.1 0.640 15.69 3.0 5.0

 

Polypora triangularis Rogers, 1900 (six colonies measured).

  N X SD CV MIN MAX
Branch width, mm 20 0.82 0.127 15.41 0.54 1.03
Dissepiment width, mm 20 0.42 0.069 16.60 0.30 0.60
Fenestrule width, mm 20 0.89 0.188 21.14 0.54 1.26
Fenestrule length, mm 20 2.78 0.290 10.42 2.30 3.25
Distance between branch centres, mm 20 1.77 0.223 12.60 1.40 2.20
Distance between dissepiment centres, mm 20 3.17 0.241 7.62 2.80 3.50
Autozooecial aperture width, mm 40 0.10 0.010 10.89 0.08 0.12
Autozooecial aperture spacing along branch, mm 40 0.38 0.040 10.64 0.30 0.46
Autozooecial aperture spacing diagonally, mm 40 0.25 0.018 6.95 0.23 0.29
Maximum chamber width, mm 40 0.15 0.016 11.05 0.10 0.17
Apertures per fenestrule length 15 8.1 1.187 14.60 7.0 10.0
Diameter of reproductive heterozooecia, mm 20 0.23 0.035 15.06 0.18 0.30

 

Polypora aff. hexagona Moore, 1929 (three colonies measured).

  N X SD CV MIN MAX
Branch width, mm 6 0.53 0.142 26.72 0.38 0.70
Dissepiment width, mm 10 0.39 0.084 21.73 0.30 0.52
Fenestrule width, mm 10 0.57 0.061 10.75 0.48 0.70
Fenestrule length, mm 10 1.33 0.095 7.17 1.25 1.50
Distance between branch centres, mm 6 1.19 0.192 16.15 1.00 1.45
Distance between dissepiment centres, mm 9 1.70 0.105 6.15 1.60 1.94
Autozooecial aperture width, mm 30 0.10 0.011 11.27 0.08 0.11
Autozooecial aperture spacing along branch, mm 30 0.31 0.026 8.56 0.26 0.36
Autozooecial aperture spacing diagonally, mm 30 0.24 0.021 9.13 0.20 0.27
Maximum chamber width, mm 30 0.11 0.007 6.27 0.10 0.13
Apertures per fenestrule length 9 5.6 0.527 9.49 5.0 6.0
Node diameter, mm 14 0.051 0.008 15.40 0.040 0.065

 

Septopora blanda Moore, 1929 (five colonies measured).

  N X SD CV MIN MAX
Branch width, mm 16 0.41 0.090 21.73 0.31 0.57
Dissepiment width, mm 15 0.38 0.060 15.67 0.28 0.48
Fenestrule width, mm 15 0.44 0.258 58.61 0.18 0.87
Fenestrule length, mm 15 0.84 0.158 18.72 0.61 1.10
Distance between branch centres, mm 10 0.82 0.268 32.53 0.52 1.27
Distance between dissepiment centres, mm 19 1.23 0.125 10.10 1.03 1.48
Autozooecial aperture width, mm 40 0.11 0.014 12.70 0.10 0.15
Autozooecial aperture spacing along branch, mm 40 0.29 0.032 11.01 0.23 0.35
Autozooecial aperture spacing diagonally, mm 40 0.25 0.022 8.82 0.20 0.29
Maximum chamber width, mm 5 0.12 0.004 3.79 0.11 0.12
Cyclozooecia diameter, mm 30 0.06 0.008 11.81 0.050 0.080

 

Penniretepora flexistriata Richards, 1959 (eleven colonies measured).

  N X SD CV MIN MAX
Main branch width, mm 20 0.30 0.056 18.44 0.22 0.43
Lateral branch width, mm 25 0.17 0.028 16.37 0.12 0.24
Lateral branch spacing, mm 50 0.70 0.067 9.62 0.59 0.85
Lateral branch diverging angle 20 72.2 5.509 7.63 59.0 82.0
Autozooecial aperture width, mm 45 0.07 0.007 10.97 0.06 0.08
Autozooecial aperture spacing along branch, mm 45 0.33 0.027 8.31 0.28 0.38
Autozooecial aperture spacing diagonally, mm 45 0.25 0.018 7.13 0.22 0.28
Maximum chamber width, mm 17 0.11 0.015 13.53 0.09 0.14

 

Penniretepora oculata (Moore, 1929) (seven colonies measured).

  N X SD CV MIN MAX
Main branch width, mm 20 0.37 0.049 13.47 0.27 0.49
Lateral branch width, mm 20 0.24 0.027 10.93 0.19 0.30
Lateral branch spacing, mm 45 0.81 0.061 7.51 0.68 1.00
Lateral branch diverging angle 6 74.8 5.345 7.14 68.0 81.0
Keel node diameter, mm 10 0.07 0.010 13.43 0.06 0.09
Node spacing, mm 20 0.77 0.153 19.79 0.58 1.08
Autozooecial aperture width, mm 25 0.07 0.008 11.57 0.05 0.08
Autozooecial aperture spacing along branch, mm 25 0.39 0.027 6.86 0.34 0.44
Autozooecial aperture spacing diagonally, mm 25 0.27 0.030 11.13 0.22 0.34
Maximum chamber width, mm 20 0.11 0.012 10.88 0.09 0.13