LESTRIGONIDAE, Zeidler, 2004
publication ID |
https://doi.org/ 10.11646/zootaxa.567.1.1 |
publication LSID |
lsid:zoobank.org:pub:41C7D868-7BD9-46F4-94F1-EBEA427E2836 |
DOI |
https://doi.org/10.5281/zenodo.5030029 |
persistent identifier |
https://treatment.plazi.org/id/03931615-EC6E-FFEE-FEDF-FBC4FAB8F99F |
treatment provided by |
Felipe |
scientific name |
LESTRIGONIDAE |
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Key to the genera of the family LESTRIGONIDAE View in CoL
1. Gnathopod 2 chelate, dactylus closing against robust propodus. Pereopods 3–7 prehensile ......................................................................................... Phronimopsis Claus, 1879 View in CoL
Gnathopod 2 chelate, propodus closing against spoonshaped carpus. Pereopods 3–7 not prehensile 2
2. Pereopod 5 longer than P6 (1.1–1.2x). Pereopods 6 & 7; dactylus with distinct upward bend midway. Pereonites 1–5 fused in both sexes ............. Themistella Bovallius, 1887 View in CoL
Pereopod 5 not longer than P6. Pereopods 6 & 7 with normal dactylus. Pereonites 1–5 rarely fused .................................................................................................................. 3
3. Pereopod 5 about 0.8x length of P6 .................................. Hyperionyx Bowman, 1973 View in CoL
Pereopod 5 subequal in length to P6 ........................................................................... 4
4. Pereopod 7 clearly shorter than P5 or P6; about 0.7x length of P6 ................................ ........................................................................................... Hyperioides Chevreux, 1900 View in CoL
Pereopod 7 slightly shorter than P6 but similar in length to P5 .................................. 5
5. First two pereonites fused in adult male & female. Maxilliped; outer lobes fused medially; inner lobe rudimentary .................................................. Hyperietta Bowman, 1973 View in CoL
First three, four or five pereonites fused in adult female; first two or four pereonites fused in adult male. Maxilliped; outer lobes separate; inner lobe usually welldeveloped ................................................................................. Lestrigonus MilneEdwards, 1830 View in CoL
Key to male species of LESTRIGONIDAE with pereonites 1–2 fused (except Phronimopsis )
1. Eyes limited to dorsal surface of head ............. Hyperioides longipes Chevreux, 1900 View in CoL
Eyes occupying most of head surface ......................................................................... 2
2. Pereopods 5–7; carpus with at least one robust seta on anterior margin....................... 3
Pereopods 5–7; carpus without robust seta ................................................................... 4
3. Hyperietta parviceps View in CoL , H. stephenseni View in CoL and H. stebbingi View in CoL ................................................. .................................................— consult Bowman (1973) to distinguish these species
4. Pereopods 3 and 4; carpus with at least two conspicuous robust setae on posterior margin 5.................................................................................................................................... 5
Pereopods 3 and 4; carpus with only one conspicuous robust seta on posterior margin ..................................................................................................................................... 10
5. Pereopods 5–7; propodus with recurved dentate hook overlapping dactylus ................. .......................................................................... Lestrigonus crucipes ( Bovallius, 1889) View in CoL
Pereopods 5–7; propodus with smooth spine overlapping dactylus ............................. 6
6. Gland cone pointed ventrally .................... Lestrigonus schizogeneios ( Stebbing, 1888) View in CoL
Gland cone rounded ventrally ....................................................................................... 7
7. Gnathopod 1; basis deeply concave distally on anterior margin .................................... ................................................................................. Hyperietta luzoni ( Stebbing, 1888) View in CoL
Gnathopod 1; basis with at most, an even bulge on anterior margin ............................ 8
8. Pereopod 5; basis relatively broad, width about 0.8x length, overlapping anterior margin of ischium ...................................................... Hyperietta vosseleri ( Stebbing, 1904) View in CoL
Pereopod 5; basis narrow, width about 0.5x length, not overlapping ischium.............. 9
9. Gnathopod 1; propodus with one robust seta on anterior margin ................................... ......................................................................... Lestrigonus shoemakeri Bowman, 1973 View in CoL
Gnathopod 1; propodus with two robust setae on anterior margin ................................. ........................................................................ Lestrigonus latissimus ( Bovallius, 1889) View in CoL
10. Head with additional eye facets dorsally; forming small lobe over A1. Pereopod 7 much shorter than P6; dactylus long, almost halflength propodus ................................ .......................................................................... Hyperioides sibaginis ( Stebbing, 1888) View in CoL
Head with evenly spread eye facets; evenly rounded anteriorly. Pereopod 7 subequal in length to P6; dactylus short, about 0.3x length of propodus .............................................................. Lestrigonus macrophthalmus ( Vosseler, 1901) View in CoL
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