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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sonninia (Alaskinia)
Taxonomy
Sonninia (Alaskinia) was named by Westermann (1978).
It was assigned to Sonninia by Westermann (1978), Howarth (2013).
It was assigned to Sonninia by Westermann (1978), Howarth (2013).