Parapaguridae, Smith, 1882
publication ID |
https://doi.org/ 10.24199/j.mmv.2003.60.16 |
persistent identifier |
https://treatment.plazi.org/id/6367985A-FFC4-FFC3-3C64-7370FA1CF896 |
treatment provided by |
Felipe |
scientific name |
Parapaguridae |
status |
|
Key to genera of Parapaguridae View in CoL
1. Corneas present.............................. 2
— Corneas absent ( Fig. 8l View Figure 8 )........................................ Typhlopagurus de Saint Laurent, 1972 View in CoL
2. Rostrum short, not exceeding ocular peduncles...... 3
— Rostrum long, often exceeding ocular peduncles ( Fig. 1q View Figure 1 ).......................... Probeebei Boone, 1926 View in CoL
3. Ocular acicles distinctly developed ( Figs 8a–c, e, l View Figure 8 )... 4
— Ocular acicles weakly developed or obsolete ( Fig. 1p View Figure 1 )........................ Tylaspis Henderson, 1885 View in CoL
4. Posterior carapace mostly membranous; unpaired left pleopods 3–5................................ 5
— Posterior carapace calcified; asymmetrically paired pleopods 3–5......... Bivalvopagurus Lemaitre, 1993 View in CoL
5. Shield about as broad or broader than long; rostrum bluntly triangular or broadly rounded; abdomen flexed. 6
— Shield distinctly longer than broad; rostrum acutely triangular; abdomen straight.......................................... Tsunogaipagurus Osawa, 1995 View in CoL
6. Shield distinctly broader than long; dactyls of ambulatory legs straight or nearly so; corneas strongly dilated ( Fig. 3m View Figure 3 ); pleopod 2 of male with short exopod and strongly twisted distal segment ( Fig. 7e View Figure 7 )....................................... Strobopagurus Lemaitre, 1989 View in CoL
— Shield about as broad as long; dactyls of ambulatory legs curved; corneas moderately or weakly dilated; pleopod 2 of male lacking exopod and distal segment not twisted ( Fig. 7f View Figure 7 ) (rarely absent)........................ 7
7. Vestigial pleurobranch present on each side of somite XIV (thoracomere 8, above pereopod 5) ( Fig. 4e).................................. Sympagurus Smith, 1883 View in CoL
— Vestigial pleurobranch absent on each side of somite XIV (thoracomere 8, above pereopod 5)............... 8
8. Epistomial spine straight ( Fig. 8m View Figure 8 ) or absent........ 9
— Epistomial spine strongly curved upward................................. Oncopagurus Lemaitre, 1996 View in CoL
9. Gill structure bi- or quadriserial ( Figs 4f–h); segment 4 of antennal peduncle armed with dorsodistal spine; length of ocular peduncles, including corneas, at least half length of shield....... Paragiopagurus Lemaitre, 1996 View in CoL
— Gill structure quadriserial ( Figs 4g, h); segment 4 of antennal peduncle unarmed; length of ocular peduncles, including corneas, less than half length of shield (except Parapagurus bouvieri Stebbing, 1910 View in CoL )...................................... Parapagurus Smith, 1879 View in CoL
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.