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- Jamoytius kerwoodi was a species of primitive, eel-like jawless fish that lived in the Llandovery epoch of the Early Silurian period. Long thought of as a "basal anaspid," J. kerwoodi is now recognized as the best-known member of the Hyperoartian order Jamoytiiformes. It had an elongated body, and is thought to have had, in comparison with relatives known from intact bodies like Euphanerops, a dorsal fin and an anal fin near the rearmost third of its body. Earlier reconstructions depict the creature as having side-fins running the length of its body, starting from behind the branchial openings to the tip of its tail: new research demonstrates that such "fins" are actually deformations of the bodywall as the corpse was being squished post-burial. In life, J. kerwoodi resembled a lamprey with a very small mouth. Because the fossil had no teeth, teeth-like structures, nor suggestions of either in its mouth, it was not carnivorous like many modern lampreys. It was more likely to have been a filter-feeder or a detritus-feeder, possibly in the manner of larval lampreys. The fish had a cartilaginous skeleton, and a branchial basket resembling the cyclostomes - features that suggest that it was a basal member of that clade. It is also the earliest known vertebrate with camera-type eyes. It also possessed weakly mineralised scales. (en)
- Jamoytius es un género extinto de pez agnato anáspido que vivió durante el Silúrico en lo que hoy es Escocia, el cual no tenía mandíbula. (es)
- Jamoytius kerwoodi Jamoytius Vue d'artiste de Jamoytius kerwoodi. Genre † JamoytiusWhite, 1946 Espèce † Jamoytius kerwoodiWhite, 1946 Jamoytius est un genre éteint de poissons sans mâchoire (agnathes) primitifs, au corps anguilliforme. Il a été décrit en 1946 par Errol White dans des sédiments datant du Silurien dans le Lanarkshire en Écosse. Une seule espèce est rattachée au genre : Jamoytius kerwoodi. (fr)
- Lo jamoytio (Jamoytius kerwoodi) è un vertebrato estinto, di incerta collocazione sistematica. Visse nel Siluriano inferiore (circa 440 - 435 milioni di anni fa) e i suoi resti fossili sono stati ritrovati in Scozia. (it)
- Jamoytius is een uitgestorven monotypisch vissengeslacht uit de orde der Anaspida. Het geslacht behoorde tot de klasse van de kaakloze vissen. De enige soort was een primitieve vis met een 25 cm lang gestroomlijnd lichaam, die in het Laat-Siluur leefde. Deze soort is voor het eerst beschreven door in 1946. (nl)
- Ямойтіус (Jamoytius kerwoodi) — викопний вид безщелепних риб, що мешкав на початку силурійського періоду. Наразі це найдавніші знахідки хребетних на території Європи. Вид описаний на основі двох зразків, що знайдені на території Шотландії. (uk)
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- Jamoytius es un género extinto de pez agnato anáspido que vivió durante el Silúrico en lo que hoy es Escocia, el cual no tenía mandíbula. (es)
- Jamoytius kerwoodi Jamoytius Vue d'artiste de Jamoytius kerwoodi. Genre † JamoytiusWhite, 1946 Espèce † Jamoytius kerwoodiWhite, 1946 Jamoytius est un genre éteint de poissons sans mâchoire (agnathes) primitifs, au corps anguilliforme. Il a été décrit en 1946 par Errol White dans des sédiments datant du Silurien dans le Lanarkshire en Écosse. Une seule espèce est rattachée au genre : Jamoytius kerwoodi. (fr)
- Lo jamoytio (Jamoytius kerwoodi) è un vertebrato estinto, di incerta collocazione sistematica. Visse nel Siluriano inferiore (circa 440 - 435 milioni di anni fa) e i suoi resti fossili sono stati ritrovati in Scozia. (it)
- Jamoytius is een uitgestorven monotypisch vissengeslacht uit de orde der Anaspida. Het geslacht behoorde tot de klasse van de kaakloze vissen. De enige soort was een primitieve vis met een 25 cm lang gestroomlijnd lichaam, die in het Laat-Siluur leefde. Deze soort is voor het eerst beschreven door in 1946. (nl)
- Ямойтіус (Jamoytius kerwoodi) — викопний вид безщелепних риб, що мешкав на початку силурійського періоду. Наразі це найдавніші знахідки хребетних на території Європи. Вид описаний на основі двох зразків, що знайдені на території Шотландії. (uk)
- Jamoytius kerwoodi was a species of primitive, eel-like jawless fish that lived in the Llandovery epoch of the Early Silurian period. Long thought of as a "basal anaspid," J. kerwoodi is now recognized as the best-known member of the Hyperoartian order Jamoytiiformes. It had an elongated body, and is thought to have had, in comparison with relatives known from intact bodies like Euphanerops, a dorsal fin and an anal fin near the rearmost third of its body. Earlier reconstructions depict the creature as having side-fins running the length of its body, starting from behind the branchial openings to the tip of its tail: new research demonstrates that such "fins" are actually deformations of the bodywall as the corpse was being squished post-burial. In life, J. kerwoodi resembled a lamprey wit (en)
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- Jamoytius kerwoodi (es)
- Jamoytius (fr)
- Jamoytius (en)
- Jamoytius kerwoodi (it)
- Jamoytius (nl)
- Ямойтіус (uk)
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