Class Pterobranchia
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Scan day: 04 March 2014 UTC
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Description: General information.
Pterobranchs are colonial hemichordates living in secreded tubular coenecia. They reproduce by short-lived planulashaped larvae or asexual budding. Pterobranchs were originally classified similarly to bryozoans and phoronids based on lophophore feeding structures. Morphological analysis of the feeding structures along with molecular data suggest that the similarities are due to convergence. Study of 18S rDNA sequences indicate that pterobranchs are monophyletic within the clade. This would indicate that pterobranchs evolved from a enteropneust-like ancestor.
Size: 574 chars
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WEBSITE Info
| Page title: | Class Pterobranchia |
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| Description: | |
| IP-address: | 128.95.155.137 |
WHOIS Info
| NS | Name Servers: HANNA.CAC.WASHINGTON.EDU 140.142.5.5 MARGE.CAC.WASHINGTON.EDU 140.142.5.13 |
| WHOIS | |
| Date | activated: 04-Sep-1986 last updated: 21-Dec-2010 expires: 31-Jul-2014 |