Caligus undulatus, Shen & Li, 1959
publication ID |
https://doi.org/ 10.11646/zootaxa.5437.3.1 |
publication LSID |
lsid:zoobank.org:pub:F06B9D4F-B890-41E2-AC14-9C7DD717DFE8 |
DOI |
https://doi.org/10.5281/zenodo.10997527 |
persistent identifier |
https://treatment.plazi.org/id/0387C212-202D-6976-FF06-761AEFCDFA80 |
treatment provided by |
Plazi |
scientific name |
Caligus undulatus |
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Updated key to species of Caligus undulatus View in CoL -group (females only)
1. Distal segment of antennule short (less than 2.5 times length of proximal segment)................................. 2
- Distal segment of antennule elongate (about 2.5 times length of proximal segment)....................... C. longiramus
2. Sternal furca present................................................................................... 3
- Sternal furca absent.............................................................. C. yucatanensis comb. nov.
3. Genital complex at least 3 times longer than abdomen................................................ C. evelynae
- Genital complex less than 3 times longer than abdomen....................................................... 4
4. Postantennal process with accessory tine on base part......................................... C. sarosensis sp. nov.
- Postantennal process simple, lacking accessory tine.......................................................... 5
5. Sternal furca with tines closely adpressed along midline...................................... C. izmiriensis sp. nov.
- Tines of sternal furca clearly separated.................................................................... 6
6. Abdomen distinctly 2-segmented and about as long as genital complex.................................... C. chelifer
- Abdomen 1-segmented and shorter than genital complex...................................................... 7
7. Abdomen more than 2 times longer than wide...................................................... C. undulatus
- Abdomen less than 2 times longer than wide................................................................ 8
8. Dorsal cephalothoracic shield subtriangular, with straight lateral margins................................ C. tripedalis
- Dorsal cephalothoracic shield rounded, with evenly convex lateral margins................................ C. ogawai
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.
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