Late Oligocene-Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families, two new genera, and a new species.
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DOI: 10.11646/zootaxa.4369.3.1
Abstract: Material for all seven South American species of late Oligocene and Miocene scutelliform, non-lunulate sand dollars (Echinoidea: Clypeasteroida) was examined, resulting in revision of several taxa, and description of a new family, Placatenellidae n. fam.,… read more here.
Keywords: late oligocene; sand dollars; lunulate sand; two new ... See more keywords
The effects of temperature and pH on the reproductive ecology of sand dollars and sea urchins: Impacts on sperm swimming and fertilization
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DOI: 10.1371/journal.pone.0276134
Abstract: In an era of climate change, impacts on the marine environment include warming and ocean acidification. These effects can be amplified in shallow coastal regions where conditions often fluctuate widely. This type of environmental variation… read more here.
Keywords: ecology; sand dollars; fertilization; sperm swimming ... See more keywords