About: Holonema

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Holonema is an extinct genus of relatively large, barrel-shaped arthrodire placoderms that were found in oceans throughout the world from the Mid to Late Devonian, when the last species perished in the Frasnian-Fammian extinction event. Most species of the genus are known from fragments of their armor, but the Gogo Reef species, H. westolli, is known from whole, articulated specimens. According to these specimens, species of Holonema lived by grazing on stony, horn-shaped, stromatolite-like algae called , apparently by snipping off the points with a specialized snout.

Attributes	Values
rdfs:label	Holonema (en)
rdfs:comment	Holonema is an extinct genus of relatively large, barrel-shaped arthrodire placoderms that were found in oceans throughout the world from the Mid to Late Devonian, when the last species perished in the Frasnian-Fammian extinction event. Most species of the genus are known from fragments of their armor, but the Gogo Reef species, H. westolli, is known from whole, articulated specimens. According to these specimens, species of Holonema lived by grazing on stony, horn-shaped, stromatolite-like algae called , apparently by snipping off the points with a specialized snout. (en)
name	Holonema (en)
foaf:depiction
dct:subject	Holonematidae Fossils of Estonia Fossil taxa described in 1889 Placoderms of Australia Paleontology in Michigan Middle Devonian first appearances Placoderms of Europe Placoderms of Asia Givetian life Late Devonian genus extinctions Fossils of Russia Fossils of Australia Fossils of Great Britain Late Devonian animals Paleontology in New York (state) Paleontology in Pennsylvania Placoderms of North America Paleontology in Wisconsin Frasnian life Gogo fauna Paleontology in Idaho
Wikipage page ID	19090319 (xsd:integer)
Wikipage revision ID	1092363514 (xsd:integer)
Link from a Wikipage to another Wikipage	Holonematidae Pterichthyodes Devonian Fossils of Estonia Fossil taxa described in 1889 Placoderms of Australia Paleontology in Michigan Pennsylvania Sauerland Russia Eifelian Frasnian Givetian Stromatolite Middle Devonian first appearances Placoderms of Europe Wisconsin Estonia Placoderms of Asia Novaya Zemlya Givetian life Late Devonian genus extinctions Fossils of Russia Fossils of Australia Fossils of Great Britain Late Devonian animals Paleontology in New York (state) Paleontology in Pennsylvania Placoderms of North America Paleontology in Wisconsin Frasnian life Gogo fauna Paleontology in Idaho Idaho Michigan New York (state) Placoderm Nomen nudum Shetland Islands Arthrodire Frasnian-Fammian extinction event Antiarch Gogo Reef Spitzbergen dbr:Oncholite
sameAs	Holonema Holonema Holonema Holonema
dbp:wikiPageUsesTemplate	dbt:Automatic_taxobox dbt:Italic_title dbt:Portal dbt:Reflist dbt:Short_description dbt:Taxonbar dbt:Arthrodira
thumbnail	wiki-commons:Special:FilePath/Holonema_westolli.jpg?width=300
authority	Newberry, 1889 (en)
fossil range	Givetian to Frasnian (en)
image caption	H. westolli (en)
subdivision	* H. rugosum * H. arcticum (Marik-Kurik, 1975) * H. bruehni (Markus, 1998) * H. harmae (Mark, 1953) * H. farrowi (Stevens, 1964) * H. obrutshevi (Mark, 1953) * H. ornatum (Traquair, 1903) * H. haiti (Denison, 1968) * H. radiatum (Obruchev, 1932) * H. westolli (Miles, 1971) (en)
subdivision ranks	Species (en)
synonyms	* Pterichthys rugosus (Claypole, 1883) * ?Glyptaspis eastmanni (Swartz, 1913) * Holonema horridum (Cope, 1892) * Holonema rohoni (nomen nudum Obruchev 1931) (en)
taxon	Holonema (en)
type species	Pterichthys rugosum (en)
type species authority	Claypole, 1883 (en)
has abstract	Holonema is an extinct genus of relatively large, barrel-shaped arthrodire placoderms that were found in oceans throughout the world from the Mid to Late Devonian, when the last species perished in the Frasnian-Fammian extinction event. Most species of the genus are known from fragments of their armor, but the Gogo Reef species, H. westolli, is known from whole, articulated specimens. According to these specimens, species of Holonema lived by grazing on stony, horn-shaped, stromatolite-like algae called , apparently by snipping off the points with a specialized snout. (en)
prov:wasDerivedFrom	wikipedia-en:Holonema?oldid=1092363514&ns=0
page length (characters) of wiki page	6327 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Holonema
is Link from a Wikipage to another Wikipage of	Rockport Quarry Limestone List of placoderm genera Gogo Formation

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