| 释义 |
Definition of Nemertea in English: Nemerteaplural nounnɪˈməːtɪəˌnɛməˈtiːənəˈmərdēə Zoology A small phylum that comprises the ribbon worms. 〔动〕纽形动物门 Example sentencesExamples - The placement of Nemertea continues to be controversial.
- Phylum Nemertea contains about 1,150 species of unsegmented worms that possess an eversible proboscis contained in a fluid-filled cavity or rhynchocoel.
- Rouse chose as terminal taxa for his analysis most of the accepted polychaete families, and in addition Clitellata, Rotifera, Platyhelminthes, Nemertea, Mollusca, Sipuncula, Echiura, and Entoprocta.
- However, opinions do differ for the scoring of three phyla in particular: Platyhelminthes, Nemertea, and Rotifera (variously scored as primitively possessing or lacking a prototroch).
- This is strikingly illustrated if we just consider character choice in two subsequent publications by the same research group, for example, for placing the ‘acoelomate’ worms, Platyhelminthes, Nemertea, and Gnathostomulida.
OriginModern Latin (plural), from Greek Nēmertēs, the name of a sea nymph. Definition of Nemertea in US English: Nemerteaplural nounnəˈmərdēə Zoology A small phylum that comprises the ribbon worms. 〔动〕纽形动物门 Example sentencesExamples - However, opinions do differ for the scoring of three phyla in particular: Platyhelminthes, Nemertea, and Rotifera (variously scored as primitively possessing or lacking a prototroch).
- Phylum Nemertea contains about 1,150 species of unsegmented worms that possess an eversible proboscis contained in a fluid-filled cavity or rhynchocoel.
- The placement of Nemertea continues to be controversial.
- This is strikingly illustrated if we just consider character choice in two subsequent publications by the same research group, for example, for placing the ‘acoelomate’ worms, Platyhelminthes, Nemertea, and Gnathostomulida.
- Rouse chose as terminal taxa for his analysis most of the accepted polychaete families, and in addition Clitellata, Rotifera, Platyhelminthes, Nemertea, Mollusca, Sipuncula, Echiura, and Entoprocta.
OriginModern Latin (plural), from Greek Nēmertēs, the name of a sea nymph. |