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The wierd world of fossil worm cocoons
Naturhistoriska riksmuseet, Enheten för paleobiologi.ORCID-id: 0000-0001-6723-239X
Naturhistoriska riksmuseet, Enheten för paleobiologi.
Naturhistoriska riksmuseet, Enheten för paleobiologi.
Ansvarlig organisasjon
2016 (engelsk)Inngår i: Deposits Magazine, ISSN 1744-9588, Vol. 46, s. 399-406Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm)) Published
Abstract [en]

Curious fossils in continental sedimentary strata that range from about a millimetre in diameter up to the size of a fingernail and appear to have a net-like coating on the surface have reported for over 150 years and have been variously interpreted as the eggs of insects, parts of lichens, the food-catching devices of ancient invertebrates, the membranous coatings of seeds, or the linings of clubmoss sporangia. Many early palaeobiologists simply labelled them as ‘red eggs’ and avoided assigning them to any particular biological group. However, these fossils match the characteristics of the egg-bearing cocoons of modern leeches and their relatives. During cocoon secretion, micro-organisms from the surrounding environment can become entrapped and entombed in the sticky threads of the cocoon wall, thus escaping decay, and ultimately becoming part of the fossil record.

sted, utgiver, år, opplag, sider
UKGE Limited , 2016. Vol. 46, s. 399-406
Emneord [en]
Leeches, Cocoons, Antarctica, Eocene
HSV kategori
Forskningsprogram
Livets mångfald; Ekosystem och arthistoria; SWEDARP 2010/11, Edens frusna lustgård; SWEDARP 2012/13, Edens frusna lustgård 2012/13
Identifikatorer
URN: urn:nbn:se:polar:diva-3380OAI: oai:DiVA.org:polar-3380DiVA, id: diva2:1063157
Forskningsfinansiär
Swedish Research Council, 2014-5234]Tilgjengelig fra: 2017-01-09 Laget: 2017-01-09 Sist oppdatert: 2018-05-07

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McLoughlin, Stephen

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