Polysyncraton, : Kott, 2001
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publication ID |
https://doi.org/ 10.1080/00222930500087077 |
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DOI |
https://doi.org/10.5281/zenodo.5215690 |
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persistent identifier |
https://treatment.plazi.org/id/7352D565-FB35-FFBA-FDDB-FEAD63A2FDB2 |
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treatment provided by |
Felipe |
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scientific name |
Polysyncraton |
| status |
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Key to Polysyncraton View in CoL
1 Systems separate, circular or polygonal each with central common cloacal aperture; spicules always stellate.................. 2
– Systems not separate; spicules not always stellate.......... 4
2 Separate systems in elevated lobes; spicules to 0.07 mm with 7–9 rays in optical transverse section............ P. galaxum Kott, 2004b View in CoL
– Separate systems not in elevated lobes; spicules with more than 9 rays in optical transverse section.................... 3
3 Spicules to 0.1 mm diameter with 13–15 rays in optical transverse section.................... P. pavimentum Monniot, 1993 View in CoL
– Spicules to 0.08 mm diameter with 9–11 rays in optical transverse section....................... P. polysystema sp. nov.
4 Spicules all less than 0.05 mm ................ 5
– Spicules not all less than 0.05 mm diameter........... 10
5 Spicules only in a layer at surface and sometimes on base....... 6
– Spicules throughout colony................ 8
6 Spicules with 9–11 rays in optical transverse section.. P. alingulum Kott, 2004c
– Spicules with more than 11 rays in optical transverse section....... 7
7 Spicules with 17–19 rays in optical transverse section; four coils of the vas deferens.............. P. miniastrum Kott, 2004a View in CoL
– Spicules with 15–17 rays in optical transverse section; three coils of the vas deferens................ P. textus Kott, 2004b View in CoL
8 Spicules stellate with long, thick rays....... P. catillum Kott, 2004b View in CoL
– Spicules with short conical, rounded, or truncated rays (sometimes globular).. 9
9 Spicule rays 9–11 in optical transverse section; colonies black; 10 coils of the vas deferens............... P. longitubis Kott, 2004b View in CoL
– Spicules rays 11–13 in optical transverse section; colonies not black; 8 coils of the vas deferens............... P. luteum Kott, 2004a View in CoL
10 Spicules burr-like or globular................ 11
– Spicules stellate.................... 12
11 Spicules burr-like, present throughout colony.... P. reticulum Kott, 2004b View in CoL
– Spicules globular in thin plate at surface....... P. nivum Kott, 2004c
12 Spicules only in surface test................ 13
– Spicules throughout colony................ 16 13 Spicule rays long and spiky.......... P. turris Kott, 2004a View in CoL
– Spicule rays not long and spiky............... 14
14 Spicule rays 11–17 in optical transverse section.... P. arvum Kott, 2004c View in CoL
– Spicule rays 9–11 in optical transverse section........... 15
15 Spicule rays rounded............ P. linere Kott, 2004a View in CoL
– Spicule rays conical and pointed........ P. montanum Kott, 2004b View in CoL
16 Spicule rays 7–9 in optical transverse section........... 17
– Spicule rays 15–17 in optical transverse section. P. pseudomagnetae Kott, 2004b View in CoL
17 Spicules to 0.1 mm diameter......... P. rostrum Kott, 2004b View in CoL
– Spicules to 0.06 mm diameter......... P. peristroma Kott, 2004b View in CoL
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