A new species of Megaspira (Stylommatophora: Megaspiridae) from Ilha Grande, Southeast Brazil
Author
Daniel, Victor R.
Departamento de Zoologia, Laboratório de Malacologia Límnica e Terrestre, Instituto de Biologia Roberto
Author
Ovando, Ximena M. C.
Departamento de Zoologia, Museu de Malacologia Prof. Maury Pinto de Oliveira, Instituto de Ciências,
Author
Santos, Sonia B.
Departamento de Zoologia, Laboratório de Malacologia Límnica e Terrestre, Instituto de Biologia Roberto
text
Zoologia
2022
e 21022
2022-04-11
39
1
11
http://dx.doi.org/10.1590/s1984-4689.v39.e21022
journal article
263645
10.1590/S1984-4689.v39.e21022
bf0d9fa0-20e7-4d85-96c7-d72d43169320
1984-4689
8229835
BA8B3A25-8620-46B1-BE21-6F9FC6764B37
Table 2. Minimum, maximum, mean and standard deviation of linear (in mm) and angular (degree) measurements for 30 adult specimens of Megaspira adenticulata sp. nov. from the Jararaca trail. (SD) Standard deviation, (D) major diameter, (d) minor diameter, (dw) diameter of body whorl, (h) total shell height, (th) teleoconch height, (ah) apertural height, (al) apertural length, (NW) number of whorls, (SpA) spiral angle, (SA) suture angle, (CA) columellar angle, (GA) growth angle, (MA) maximum angle.| Measurements | Minimum | Maximum | Mean | SD |
|---|
| D | 5.88 | 7.30 | 6.50 | 0.44 |
|---|
| d | 5.00 | 6.90 | 5.90 | 0.40 |
|---|
| H | 18.20 | 32.80 | 27.00 | 4.00 |
|---|
| th | 15.10 | 31.60 | 22.20 | 4.20 |
|---|
| al | 3.00 | 5.20 | 4.10 | 0.45 |
|---|
| ah | 3.60 | 6.71 | 5.00 | 0.82 |
|---|
| NW | 13.75 | 18.30 | 16.00 | 1.17 |
|---|
| MA | 120.00 | 153.00 | 140.30 | 6,81 |
|---|
| SA | 9.00 | 20.00 | 12.63 | 2.20 |
|---|
| GA | 24.00 | 59.00 | 42.46 | 9.44 |
|---|
| SpA | 12.00 | 22.00 | 15.78 | 2.50 |
|---|
| CA | 0.50 | 3.00 | 1.68 | 0.63 |
|---|