fucoid

• 名词，指墨角藻目（Fucales）藻类的化石印痕或遗迹，也指墨角藻科（Fucaceae）的各种海藻（如墨角藻、岩藻）。

A noun referring to a fossilized cast or impression of algae of the order Fucales, or any of various algae of the family Fucaceae.

1. Fossilized algae impressionC2formalscientific

   A fossilized cast or impression of algae belonging to the order Fucales, often found in sedimentary rocks.

   墨角藻化石印痕

   • The geologist identified a fucoid in the limestone formation.
   • Fucoids are commonly used as trace fossils in paleontology.
   • The rock sample contained a well-preserved fucoid.

2. C2formalscientific

   Any of various brown algae belonging to the family Fucaceae, typically found in intertidal zones.

   墨角藻

   • Fucoids are common along rocky coastlines.
   • The biologist studied the growth patterns of fucoids.
   • Fucoids play an important role in marine ecosystems.

   同义词fucusrockweedwrack