[Annelida] Predatory polychaetes that bore holes in shell?

Daniel Martin via annelida%40net.bio.net (by dani from ceab.csic.es)
Tue May 19 02:50:03 EST 2015


I am aware of a reference postulating a possible symbiotic relationship =
between a polychaete (supposedly a polydorid) and a sea urchin:

Wisshak, M., Neumann, C., 2006. A symbiotic association of a boring =
polychaete and an echinoid from the Late Cretaceous of Germany. Acta =
Palaeontol. Pol. 51, 589-597.

As well as another on a posible commensalistic association involving a =
serpulid:

Cameron, B., 1968. Commensalism of new serpulid worm from the Hamilton =
Group (Middle Devonian) of New York. Journal of Paleontology 42, =
850-852.

I also have on my desk two amphinomids obtained from deep sea =
echinoderms which showed a hole on the skeleton similar to that found in =
some fossil sea urchins. The living ones were collected by =
paleontologist trying to assess the structures observed in fossils by =
comparing them with living relatives. Unfortunately, they did not expect =
to find worms inside and so preserved the sea-urchins (and the worms =
inside) dried. Despite I tried to re-hidrate the worms and did some =
preliminary attempts to identify them, I did not progress with the =
identifications and they are still waiting for some of my time, I =
neither tried with DNA, but this is something I still keep in mind.=20

Fabriciinids (e.g. Caobangia) and sabellids (e.g. Terebrasabella) may =
bore on shells, but they are certainly not predators.=20

So, I am sorry, but I have nothing on shell-boring predatory =
polychaetes.

Dani.

=97=97

Dr. Daniel Martin
Scientific Researcher

Centre d=92Estudis Avancats de Blanes (CEAB - CSIC)
 =20
  - Carrer d'acces a la Cala Sant Francesc 14
  - 17300 Blanes (Girona), Catalunya (Spain)
  - Tel: (34) 972336101
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  - WWW Institutional: http://www.ceab.csic.es
  - WWW Personal: http://www.ceab.csic.es/web/?page_id=3D3205

El 19/05/2015, a les 06:21, Geoff Read <Geoffrey.Read from niwa.co.nz> va =
escriure:

> Hi there,
>=20
> Can anyone suggest polychaetes that would be said to create predation =
holes in shell?
> The topic came up unreferenced in a paper on fossils, but this is =
slightly puzzling to me.
> Any examples? Not dwelling burrows as polydorids create but =
penetration for predation.
>=20
> Thanks,
>=20
> Geoff Read
>=20
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