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TABLE II in Morphological and molecular evidence support four new Liberonautes Bott, 1955 (Decapoda, Potamonautidae, Liberonautinae) species of freshwater crabs from Sierra Leone, West Africa
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TABLE II Morphological and meristic differences between the four new Liberonautes species
| Characters | L. kasonko sp. nov. | L. njala sp. nov. | L. schubarti sp. | L. sugarloaf sp. |
|---|---|---|---|---|
| nov. | nov. | |||
| Adult size range | CW 46.5 mm | CW 52-66 mm | CW 22-23 mm | CW 51-75 mm |
| Carapace; postfrontal | Distinct, | Distinct, | Distinct, | Distinct, |
| crest | completely | incomplete, not | completely | completely |
| traversing | traversing | traversing | traversing | |
| carapace, meeting | carapace, lateral | carapace, meeting | carapace, meeting | |
| lateral carapace | ends only reaching | lateral carapace | lateral carapace | |
| margins (figs. 3A, | cervical sulcus | margins (figs. 3C, | margins (figs. 3D, | |
| 5A). | (figs. 3B, 5B). | 5C). | 5D). | |
| Carapace; | With carinae | Smooth (figs. 2B, | With carinae | Smooth (figs. 2D, |
| anterolateral | (figs. 2A, 3A). | 3B). | (figs. 2C, 3C). | 3D). |
| surface texture | ||||
| Carapace; | All deep (figs. 2A, | All deep (figs. 2B, | Faint, almost | All deep (figs. 2D, |
| semicircular, | 3A). | 3B). | obscure (figs. 2C, | 3D). |
| urogastric, | 3C). | |||
| cardiac, cervical, | ||||
| transverse | ||||
| branchial grooves | ||||
| Carapace; exorbital | Small, distinct | Low, blunt | Small, granular | Medium sized, well |
| tooth | (figs. 2A, 3A, 4A, | (figs. 2B, 3B, 4B, | (figs. 2C, 3C, 4C, | defined (figs. 2D, |
| 5A). | 5B). | 5C). | 3D, 4D, 5D). | |
| Carapace; | With carinae | Medium-sized | With carinae | Medium-sized |
| intermediate | (figs. 2A, 3A, 4A, | triangular (figs. 2B, | (figs. 2C, 3C, 4C, | triangular (figs. 2D, |
| tooth on | 5A). | 3B, 4B, 5B). | 5C). | 3D, 4D, 5D). |
| anterolateral | ||||
| margin | ||||
| Carapace; | Granular (figs. 2A, | Small, distinct | Granular (figs. 2C, | Granular (figs. 2D, |
| epibranchial | 3A, 4A, 5A). | (figs. 2B, 3B, 4B, | 3C, 4C, 5C). | 3D, 4D, 5D). |
| tooth on carapace | 5B). | |||
| anterolateral | ||||
| margin | ||||
| Carapace; | With carinae | Smooth (fig. 5B). | With carinae | Smooth (fig. 5D). |
| branchiostegite | (fig. 5A). | (fig. 5C). | ||
| subhepatic region | ||||
| surface texture | ||||
| Major cheliped; | Gently curved | Highly arched | Gently curved | Gently curved |
| dactylus | leaving narrow | leaving wide | leaving narrow | leaving narrow |
| morphology | interspace when | interspace when | interspace when | interspace when |
| closed (fig. 6B). | closed (fig. 6F). | closed (fig. 6K). | closed (fig. 6P). | |
| G1TA length | Long, (ca. half as | Long, (ca. half as | Medium ca. | Long, (ca. half as |
| long as G1SA) | long as G1SA) | two-fifths as long | long as G1SA) | |
| G1TA/G1SA = 0.5 | G1TA/G1SA = 0.5 | as G1SA, | G1TA/G1SA = 0.5 | |
| (fig. 7A, B). | (fig. 7D, E). | G1TA/G1SA = 0.4 | (fig. 7J, K). | |
| (fig. 7G, H). | ||||
| G1SA lateral margin | Distinctly curved | Distinctly curved | Gently curved | Distinctly curved |
| inward (fig. 7A, B). | inward (fig. 7D, E). | inward (fig. 7G, H). | inward (fig. 7J, K). |
Notes
Published as part of Mvogo Ndongo, Pierre A., von Rintelen, Thomas, Clark, Paul F. & Cumberlidge, Neil, 2024, Morphological and molecular evidence support four new Liberonautes Bott, 1955 (Decapoda, Potamonautidae, Liberonautinae) species of freshwater crabs from Sierra Leone, West Africa, pp. 726 in Crustaceana 97 on page 726, DOI: 10.1163/15685403-bja10410, http://zenodo.org/record/15090630
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- Journal article: 10.1163/15685403-bja10410 (DOI)
- Journal article: urn:lsid:plazi.org:pub:5B55FFE2FFEA417CFF982213947BFFF2 (LSID)
- Journal article: http://publication.plazi.org/id/5B55FFE2FFEA417CFF982213947BFFF2 (URL)
- Journal article: http://zenodo.org/record/15090630 (URL)