未解決名稱

未解決名稱： Metazoa » 软体动物门 » 雙殼綱 » Tozeuma novaezealandiae » 貽貝科 » Mytilosootus «

Mytilosootus arcuatus

skeletal reinforcement

Paleobiology Database
minor ribbing
URI：http://eol.org/schema/terms/minorRibbing

定義： Repeated, thickened, raised structures on the shell or carapace surface, less than the thickness of the shell/carapace and covering a small area of it. Thickenings can be either radial, comarginal, axial or spiral.

姓名標示：http://paleodb.org/public/tips/ecology_tips.html

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