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| CYCLIOPHORA IS A NEW PHYLUM WITH AFFINITIES TO ENTOPROCTA AND ECTOPROCTA |
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| Author(s): FUNCH P, KRISTENSEN RM |
| Source: NATURE Volume: 378 Issue: 6558 Pages: 711-714 Published: DEC 14 1995 |
| Times Cited: 73 References: 13 |
| Abstract: THE mouthparts of the Norway lobster Nephrops are colonized by an acoelomate metazoan, Symbion pandora gen. et sp, nov. Sessile stages continually produce inner buds replacing feeding structures, They also produce one of three motile stages: (1) larvae containing new feeding stages, (2) dwarf males, which settle on feeding stages, or (3) females, which settle onto lobster mouthparts, and eventually degenerate, giving rise to dispersive larvae, All motile stages are short-lived, and do not feed, The structure and function of the cilia suggest a phylogenetic position in Protostomia, while some aspects of inner budding and brooding of larvae are similar to those of Entoprocta and Ectoprocta. The dispersive larva possesses a mesodermal supporting chordoid structure, otherwise absent in protostomian larvae, We believe that ail the above features of this previously undescribed species warrant the recognition of a new phylum with affinities to Ectoprocta and Entoprocta. |
| Document Type: Article |
| Language: English |
| Reprint Address: FUNCH, P (reprint author), UNIV COPENHAGEN, INST ZOOL, CELL BIOL & ANAT LAB, 15 UNIV PK, DK-2100 COPENHAGEN, DENMARK |
Addresses:
1. UNIV COPENHAGEN, ZOOL MUSEUM, DK-2100 COPENHAGEN, DENMARK |
| Publisher: MACMILLAN MAGAZINES LTD, 4 LITTLE ESSEX STREET, LONDON, ENGLAND WC2R 3LF |
| Subject Category: Multidisciplinary Sciences |
| IDS Number: TK379 |
| ISSN: 0028-0836 |
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| | | | | | | | | Record from Web of Science® | | | | | | | | | |