TABLE 1. Measurements in mm of Leptagonia franca sp. nov. Abbreviations for tables 1-4: Ddl, unrolled length of dorsal disc; Dtl, unrolled length of dorsal trail; Hi, height of the ventral interarea; L, length of the shell; T, thickness of the shell; Vdl, unrolled length of ventral disc; Vtl, unrolled length of ventral trail; W, width of the shell; Wi, width of the ventral interarea.

  W L Vdl Vtl Ddl Dtl T L/W T/W Vtl/Vdl Dtl/Ddl
N 17 17 17 17 13 13 16 17 16 17 12
Mean 51.4 28.9 23.8 22.2 21.6 8.1 17.4 0.57 0.33 0.93 0.38
MIN 36.2 24 20 8 18 2 9.3 0.48 0.26 0.36 0.10
MAX 70.8 38.1 28 32 25 15 25.8 0.70 0.40 1.28 0.67

 

TABLE 2. Measurements in mm of Serratocrista scaldisensis sp. nov. Abbreviations: see Table 1.

RBINS W L T Hi Wi
a13108 8.1 6.5 2.9 1.2 7.2
a13109 9.8 7.1 2.4 2.2 8.8
a13110 10.4 7.7 2.7 1.8 9.6
a13111 13.1 9.8 3.3 2.2 12.1
a13112 15.6 10.8 / 2.0 /
a13117 9.4 8 3.2 2.3 7.6
a13118 7.7 6.1 2.5 1.0 5.7

 

TABLE 3. Measurements in mm of Lamellosathyris lamellosa (Léveillé, 1835). Abbreviations: see Table 1.

  W L T L/W T/W T/L
N 60 60 50 60 50 50
Mean 30.1 20.5 14.5 0.70 0.49 0.70
Standard deviation 9.3122 5.1365 5.6788 0.0761 0.0667 0.1282
Standard error ±1.2021 ±0.6631 ±0.8031 ±0.0098 ±0.0094 ±0.0181
MIN 9.2 8.1 4.8 0.53 0.33 0.53
MAX 51.4 30.5 30.5 0.90 0.66 1.02

 

 

TABLE 4. Measurements in mm of Nucleospira hannoniae nom. nov. Abbreviations: see Table 1.

  W L T L/W T/W
N 18 19 16 18 16
Mean 7.9 7.5 4.6 0.94 0.59
MIN 5.7 5.5 2.7 0.85 0.46
MAX 10.1 9.5 6.0 1.04 0.69