Definition of lamp shell in English:
A marine invertebrate which superficially resembles a bivalve mollusc but has two or more arms of ciliated tentacles (lophophores) that are extended for filter-feeding. Lamp shells are common as fossils. Also called brachiopod.
- Brachiopods - lampshells - for instance, have remained virtually unchanged since they first appeared in the Cambrian Period, more than 500 million years ago.
- For example, horseshoe crabs (Limulus) and lampshells (Lingula) both occur in shallow marine environments, where many predators and competitors exist, particularly since the Cretaceous Period.
- Until now, the earliest animals known to be coloured were lamp shells that lived about 350 million years ago.
mid 19th century: from its resemblance to an ancient oil lamp.
Definition of lamp shell in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia
Most popular in India
Most popular in Pakistan