Didemnum, Savigny, 1816
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publication ID |
https://doi.org/ 10.1080/00222930500087077 |
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DOI |
https://doi.org/10.5281/zenodo.5215694 |
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persistent identifier |
https://treatment.plazi.org/id/7352D565-FB3A-FFBB-FDE5-FDFA6396FDDE |
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treatment provided by |
Felipe |
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scientific name |
Didemnum |
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Key to Didemnum View in CoL
1 Spicules all stellate................... 2
– Spicules not all stellate (some globular or burr-shaped)....... 16
2 Spicules with no more than 9 rays in optical transverse section...... 3
– Spicules with more than 9 rays in optical transverse section....... 9
3 Spicules never more than 0.05 mm diameter........... 4
– Spicules more than 0.05 mm diameter present........... 5
4 Vas deferens coils 8 times; spicules with 5–7 short conical rays in optical transverse section.......... D. madeleinae View in CoL F. and C. Monniot, 2001
– Vas deferens coils 6 times; spicules with 7–9 long blunt rays in optical transverse section.............. D. domesticum Kott, 2004c View in CoL
5 Spicules crowded throughout................ 6
– Spicules not crowded throughout.......... D. corium View in CoL sp. nov.
6 Colony surface quilted............ D. leopardus View in CoL sp. nov.
– Colony surface not quilted................. 7
7 Vas deferens coils 5 times.......... D. lillipution Kott, 2004c View in CoL
– Vas deferens coils 7–8 times................ 8
8 Vesicles interrupt spicules in surface test.... D. coralliforme Kott, 2004a View in CoL
– Vesicles do not interrupt spicules in surface test.... D. rota Kott, 2004c View in CoL
9 Spicules crowded throughout................ 10
– Spicules not crowded throughout............... 14
10 Spicules not more than 0.03 mm diameter..... D. spumante Kott, 2004b View in CoL
– Spicules more than 0.03 mm diameter present........... 11
11 Surface of colony quilted............ D. cilicium View in CoL sp. nov.
– Surface of colony not quilted................ 12
12 Giant spicules to 0.1 mm present....... D. congregatum Kott, 2004b View in CoL
– Giant spicules to 0.1 mm not present............. 13
13 Spicule rays 13–15 in optical transverse section.... D. asterix Kott, 2004a View in CoL – Spicule rays 9–11 in optical transverse section.... D. usitatum Kott, 2004c View in CoL
14 Spicules crowded in surface layers, sparse in base of colony....... 15
– Spicules sparse throughout.......... D. fibriae Kott, 2004a View in CoL
15 Spicules with 13–15 rays in optical transverse section; 10 coils vas deferens..................... D. spumosum Kott, 2004a View in CoL
– Spicules with 9–11 rays in optical transverse section; 7 coils vas deferens..................... D. tumulatum Kott, 2004c View in CoL
16 Spicule diameter more than 0.06 mm ....... D. aratore Kott, 2004c View in CoL
– Spicule diameter not more than 0.06 mm ............ 17
17 Spicules crowded throughout.......... D. vesperi Kott, 2004c View in CoL
– Spicules not crowded throughout............... 18
18 Spicule rays sometimes pectinate........ D. diversum Kott, 2004a View in CoL
– Spicule rays never pectinate........ D. nambucciensis Kott, 2004a 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.
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