Decanet name details
Neptunus (Achelous) De Haan, 1833
450370 (urn:lsid:marinespecies.org:taxname:450370)
unaccepted (status change)
Subgenus
Neptunus De Haan, 1833 accepted as Portunus Weber, 1795
- Species Neptunus (Achelous) dubia Laurie, 1906 accepted as Cavoportunus dubius (Laurie, 1906) (unaccepted > superseded combination)
- Species Neptunus (Achelous) granulatus (H. Milne Edwards, 1834) accepted as Cycloachelous granulatus (H. Milne Edwards, 1834) (unaccepted > superseded combination)
- Species Neptunus (Achelous) orbitosinus (Rathbun, 1911) accepted as Cycloachelous orbitosinus (Rathbun, 1911) (unaccepted > superseded combination)
- Species Neptunus (Achelous) unispinosus (Miers, 1884) accepted as Cycloachelous unispinosus (Miers, 1884) (unaccepted > superseded combination)
- Species Neptunus (Achelous) whitei (A. Milne-Edwards, 1861) accepted as Lupocycloporus gracilimanus (Stimpson, 1858) (unaccepted > junior subjective synonym)
- Species Neptunus (Achelous) withersi Glaessner, 1933 † accepted as Portunus withersi (Glaessner, 1933) † (unaccepted > superseded combination)
marine, brackish, fresh, terrestrial
(of Portunus (Achelous) De Haan, 1833) De Haan, W. (1833–1850). Crustacea. <em>In: von Siebold, P.F., Fauna Japonica sive Descriptio Animalium, quae in Itinere per Japoniam, Jussu et Auspiciis Superiorum, qui Summum in India Batava Imperium Tenent, Suspecto, Annis 1823-1830 Collegit, Notis, Observationibus et Adumbrationibus Illustravit.</em> i–xxxi, ix–xvi, 1–243, pls. A–J, L–Q, 1–55. Lugduni-Batavorum. [Dates of publication per Holthuis, 1953: 1833 (ix–xvi, De Haan's "Praemissa" & "Expositio"; 1–24, pls. 1–8, A, B, circ. 2), 1835 (25–64, pls. 9–15, 17, C, D), 1837 (65–72, pls. 16, 18–24, E, F), 1839 (73–108, pls. 25–32, G, H), 1841 (109–164, pls. 33–37, 39–42, 47), 1844 (pls. 38, 43–46, 48, 51–55, I–N), 1849 (165–196, 197–243, pls. 49, 50 O–Q), 1849 (i–xxxi, De Haan's "Praefatio"), 1850 (vii–xvii, Von Siebold's "Commentatio")). [details] 
DecaNet eds. (2025). DecaNet. Neptunus (Achelous) De Haan, 1833. Accessed at: https://decanet.info/aphia.php?p=taxdetails&id=450370 on 2025-09-12
Date
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original description
(of Portunus (Achelous) De Haan, 1833) De Haan, W. (1833–1850). Crustacea. <em>In: von Siebold, P.F., Fauna Japonica sive Descriptio Animalium, quae in Itinere per Japoniam, Jussu et Auspiciis Superiorum, qui Summum in India Batava Imperium Tenent, Suspecto, Annis 1823-1830 Collegit, Notis, Observationibus et Adumbrationibus Illustravit.</em> i–xxxi, ix–xvi, 1–243, pls. A–J, L–Q, 1–55. Lugduni-Batavorum. [Dates of publication per Holthuis, 1953: 1833 (ix–xvi, De Haan's "Praemissa" & "Expositio"; 1–24, pls. 1–8, A, B, circ. 2), 1835 (25–64, pls. 9–15, 17, C, D), 1837 (65–72, pls. 16, 18–24, E, F), 1839 (73–108, pls. 25–32, G, H), 1841 (109–164, pls. 33–37, 39–42, 47), 1844 (pls. 38, 43–46, 48, 51–55, I–N), 1849 (165–196, 197–243, pls. 49, 50 O–Q), 1849 (i–xxxi, De Haan's "Praefatio"), 1850 (vii–xvii, Von Siebold's "Commentatio")). [details]