Astropecten Gray, 1840
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https://doi.org/10.11646/zootaxa.5647.3.1 |
publication LSID |
lsid:zoobank.org:pub:82D8AE6A-998E-4577-9919-29F470D6DA40 |
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https://doi.org/10.5281/zenodo.15819731 |
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https://treatment.plazi.org/id/6233CD02-6128-3F74-FF24-83BA3BB5AE59 |
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Plazi |
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Astropecten Gray, 1840 |
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Genus Astropecten Gray, 1840 View in CoL
Type: Asterias aranciaca Linnaeus, 1758 , by subsequent designation ( Fisher 1908)
Diagnosis: Usually five arms, merging with the disc to produce rounded inter-radial arc. Supero-marginals usually smaller than infero-marginals, but much larger than, and distinct from, adjacent abactinall paxillae. Infero-marginal plates with irregularly distributed, horse-shoe shaped tubercles bearing conspicuous erect or appressed spines fringing the ambitus. Actinal interradial areas small, restricted to disc, usually only in a single series. Adambulacral furrow with three spines, only ambulacrals, superambulacrals and madreporite unarmoured with spines, spinules or granules. Modified from Clark and Downey, 1992.
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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