Ilanga
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publication ID |
https://doi.org/ 10.11646/zootaxa.4732.2.1 |
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publication LSID |
lsid:zoobank.org:pub:F3FE261C-0865-40A7-AAAA-63791DD836A5 |
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DOI |
https://doi.org/10.5281/zenodo.3664713 |
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persistent identifier |
https://treatment.plazi.org/id/0078D113-631A-FFCF-FF0B-8DF5FA1AF9CF |
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treatment provided by |
Plazi |
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scientific name |
Ilanga |
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Key 2: Key to Ilanga View in CoL species of Indo-Pacific area studied in this work
1. subsutural axial pleats visible on second or third whorl........................................................ 2 - no obvious subsutural axial pleats on whorls.............................................................. 13 2 (1). umbilical rim rounded to weakly subangulate............................................................... 3 - umbilical rim angulate................................................................................. 6 3 (2). no axial threads inside umbilicus........................................................................ 4 - axial threads inside umbilicus........................................................................... 5
4 (3). conical shape with nearly flat whorls................................................... I. cosmia View in CoL
- conical to slightly cyrtoconoidal shape, convex whorls.................................. I. corrineae View in CoL
5 (3) rather depressed spire, 4 Pi, very large umbilicus........................................... I. comes View in CoL - rather elevated spire, 5 Pi, moderately large umbilicus.................................. I. dongshaensis View in CoL
6 (2). always axial threads inside the umbilicus.................................................................. 7
- no axial threads always present inside the umbilicus.......................................................... 9
7 (6). ± 3 spiral cords around umbilicus, central base area reticulate............................... I. oxeia View in CoL
- usually one single spiral cord around the umbilicus.......................................................... 8
8 (7). rounded periphery without spiral cords.............................................. I. eurystoma View in CoL
- subangulate periphery, faint spiral cords on periphery.................................... I. harrytaylori View in CoL
9 (6). depressed, lenticular................................................................................. 10
- at most moderately depressed........................................................................... 11
10 (9). strongly depressed, spiral cords around the umbilicus, up to 19 mm ............................. I. gotoi View in CoL
- a single spiral cord around the umbilicus.......................................... I. euryomphalos View in CoL
11 (9). rather elevated spire............................................................ I. navakaensis View in CoL
- moderately depressed spire only........................................................................ 12
12 (11).5 Pi....................................................................... I. stephanophora View in CoL
- 4 Pi......................................................................... I.polygramma View in CoL
13 (1). umbilical rim only weakly subangulate.................................................. I. fulgens View in CoL
- umbilical rim angulate or at least subangulate.............................................................. 14
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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