Dillhoffia (original) (raw)
Dillhoffia és un gènere extint i monotípic de planta amb flor la seva única espècie és Dillhoffia cachensis de l'eocè, trobada a la Colúmbia britànica del Canadà i a l'estat de Washington. Sembla que els fruits eren transportats pel vent.
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| dbo:abstract | Dillhoffia és un gènere extint i monotípic de planta amb flor la seva única espècie és Dillhoffia cachensis de l'eocè, trobada a la Colúmbia britànica del Canadà i a l'estat de Washington. Sembla que els fruits eren transportats pel vent. (ca) Dillhoffia is an extinct monotypic genus of flowering plant with a single species, Dillhoffia cachensis known from Ypresian age Eocene fossils found in British Columbia, Canada, and Washington, USA. The genus and species were described from fifteen specimens found in an unnamed formation belonging to the Kamloops group shales; and two specimens from the Klondike Mountain Formation. The unnamed formation outcrops at the McAbee Fossil Beds near Cache Creek, BC, which is designated the type locality while the two U.S. specimens were recovered from the Tom Thumb Tuff member of the Klondike Mountain Formation in Republic, Washington. It is of interest to note that of the Okanagan highlands fossil sites Dillhoffia is only known from two locations, and is absent or has not been identified from the others. The holotype specimen, number TMP 83.39.175, is preserved in the Royal Tyrell Museum and the paratype specimens are in the Thompson Rivers University and University of Saskatchewan collections. The specimens were studied by paleobotanists Steven Manchester of the University of Florida and Kathleen Pigg of Arizona State University. Manchester and Pigg published the 2008 type description for D. cachensis in the journal Botany, Volume 86, number 9. They chose the generic name Dillhoffia to honor the brothers Richard M. Dillhoff and Thomas A. Dillhoff for their substantial contributions and promotion of Pacific Northwest North American Paleogene floras. The specific name is a reference to Cache Creek, British Columbia, the nearest town to the McAbee site. Dillhoffia is known from infructescences only. The infructescences are pedunculate having a globose head which bore at least twelve flowers and has been preserved as fossils with several sessile fruits. The fruits are elongate to ellipsoidal in form, being 8–10 millimetres (0.31–0.39 in) by 4–5 millimetres (0.16–0.20 in), and indehiscent. The enlarged calyx present on the fruits is thought to have been used for wind transport, with the calyx being dish to funnel shaped and born approximately three-quarters of the way up the fruit from the base. Formed from a persistent perianth, the calyx may have been , as small-sized calyces are known. It is unknown what the petals and stamens looked like, as none have been found, possibly being shed during fruit formation. Dillhoffia was most likely a non-magnoliid angiosperm as indicated by is inferior ovary, but placement into a specific family is not possible with the fossils known. (en) Dillhoffia cachensis Dillhoffia Calice fossile de D. cachensis (52,9 millions d'années). Genre † Dillhoffia & , 2008 Espèce † Dillhoffia cachensis & , 2008 Dillhoffia est un genre éteint dont la position au sein des plantes à fleurs est mal définie. Une seule espèce, Dillhoffia cachensis, est connue à ce jour. Elle a été découverte dans des sédiments lacustres datés de l'Éocène inférieur, dans la région de la vallée de l'Okanagan située dans le sud de la Colombie-Britannique au Canada. (fr) |
| dbo:binomialAuthority | dbr:Steven_R._Manchester |
| dbo:class | dbr:Incertae_sedis |
| dbo:division | dbr:Angiosperms |
| dbo:kingdom | dbr:Plant |
| dbo:thumbnail | wiki-commons:Special:FilePath/Dillhoffia_cachensis_SR_92-17-20_1.jpg?width=300 |
| dbo:wikiPageID | 27414985 (xsd:integer) |
| dbo:wikiPageLength | 4489 (xsd:nonNegativeInteger) |
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| dbo:wikiPageWikiLink | dbr:Cache_Creek,_British_Columbia dbc:Monotypic_angiosperm_genera dbr:Kathleen_B._Pigg dbr:Steven_R._Manchester dbr:Botany_(journal) dbr:Dehiscence_(botany) dbc:Prehistoric_angiosperm_genera dbc:Enigmatic_angiosperm_taxa dbr:Republic,_Washington dbr:University_of_Florida dbr:University_of_Saskatchewan dbr:Incertae_sedis dbr:Infructescence dbr:Genus dbr:Perianth dbr:Eocene dbr:Monotypic dbr:Thompson_Rivers_University dbr:Angiosperms dbr:Ypresian dbr:Peduncle_(botany) dbr:Washington_state dbr:Flowering_plant dbr:Paleogene dbr:Paratype dbr:Fossil dbr:Arizona_State_University dbc:Eocene_plants dbc:Extinct_flora_of_North_America dbc:Fossil_taxa_described_in_2008 dbr:Holotype dbr:Plant dbr:Paleobotanist dbr:Calyx_(botany) dbr:McAbee_Fossil_Beds dbr:Species dbr:Type_(biology) dbr:Type_locality_(geology) dbr:Extinction dbr:British_Columbia,_Canada dbr:Royal_Tyrell_Museum dbr:Terminology_for_Asteraceae |
| dbp:binomial | Dillhoffia cachensis (en) |
| dbp:binomialAuthority | Manchester & Pigg, 2008 (en) |
| dbp:classis | incertae sedis (en) |
| dbp:familia | incertae sedis (en) |
| dbp:genus | †Dillhoffia (en) |
| dbp:imageCaption | Fossil Dillhoffia cachensis calyces (en) |
| dbp:name | Dillhoffia (en) |
| dbp:regnum | Plantae (en) |
| dbp:species | D. cachensis (en) |
| dbp:unrankedDivisio | dbr:Angiosperms |
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| dct:subject | dbc:Monotypic_angiosperm_genera dbc:Prehistoric_angiosperm_genera dbc:Enigmatic_angiosperm_taxa dbc:Eocene_plants dbc:Extinct_flora_of_North_America dbc:Fossil_taxa_described_in_2008 |
| rdf:type | owl:Thing wikidata:Q19088 wikidata:Q756 yago:WikicatAngiosperms dbo:Eukaryote dbo:Species yago:Angiosperm111665372 yago:LivingThing100004258 yago:Object100002684 yago:Organism100004475 yago:PhysicalEntity100001930 yago:Plant100017222 dbo:Plant yago:Spermatophyte111552386 yago:VascularPlant113083586 yago:Whole100003553 yago:WikicatEocenePlants yago:WikicatPlantsDescribedIn2008 yago:WikicatPrehistoricPlants |
| rdfs:comment | Dillhoffia és un gènere extint i monotípic de planta amb flor la seva única espècie és Dillhoffia cachensis de l'eocè, trobada a la Colúmbia britànica del Canadà i a l'estat de Washington. Sembla que els fruits eren transportats pel vent. (ca) Dillhoffia cachensis Dillhoffia Calice fossile de D. cachensis (52,9 millions d'années). Genre † Dillhoffia & , 2008 Espèce † Dillhoffia cachensis & , 2008 Dillhoffia est un genre éteint dont la position au sein des plantes à fleurs est mal définie. Une seule espèce, Dillhoffia cachensis, est connue à ce jour. Elle a été découverte dans des sédiments lacustres datés de l'Éocène inférieur, dans la région de la vallée de l'Okanagan située dans le sud de la Colombie-Britannique au Canada. (fr) Dillhoffia is an extinct monotypic genus of flowering plant with a single species, Dillhoffia cachensis known from Ypresian age Eocene fossils found in British Columbia, Canada, and Washington, USA. The genus and species were described from fifteen specimens found in an unnamed formation belonging to the Kamloops group shales; and two specimens from the Klondike Mountain Formation. The unnamed formation outcrops at the McAbee Fossil Beds near Cache Creek, BC, which is designated the type locality while the two U.S. specimens were recovered from the Tom Thumb Tuff member of the Klondike Mountain Formation in Republic, Washington. It is of interest to note that of the Okanagan highlands fossil sites Dillhoffia is only known from two locations, and is absent or has not been identified from th (en) |
| rdfs:label | Dillhoffia (en) Dillhoffia (ca) Dillhoffia (fr) |
| owl:sameAs | freebase:Dillhoffia yago-res:Dillhoffia wikidata:Dillhoffia wikidata:Dillhoffia dbpedia-ca:Dillhoffia dbpedia-fr:Dillhoffia https://global.dbpedia.org/id/yBXS |
| prov:wasDerivedFrom | wikipedia-en:Dillhoffia?oldid=1084515806&ns=0 |
| foaf:depiction | wiki-commons:Special:FilePath/Dillhoffia_cachensis_SR_92-17-20_1.jpg |
| foaf:isPrimaryTopicOf | wikipedia-en:Dillhoffia |
| foaf:name | Dillhoffia (en) |
| is dbo:wikiPageRedirects of | dbr:Dillhoffia_cachensis |
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