This category is within the scope of WikiProject Cephalopods, a project which is currently considered to be inactive.CephalopodsWikipedia:WikiProject CephalopodsTemplate:WikiProject CephalopodsCephalopods articles
This category is within the scope of WikiProject Years, a collaborative effort to improve the coverage of Years on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.YearsWikipedia:WikiProject YearsTemplate:WikiProject YearsYears articles
Cephalopods described in 1861 is within the scope of WikiProject Animals, an attempt to better organize information in articles related to animals and zoology. For more information, visit the project page.AnimalsWikipedia:WikiProject AnimalsTemplate:WikiProject Animalsanimal articles
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