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DUCTINA

Ductina

Genus of extinct trilobites

Ductina is a genus of extinct, small to average sized, eyeless phacopid trilobite, that lived during the Devonian. The body of Ductina is small to average

Ductina

Phacopidae

Extinct family of trilobites

Nephranops, and Plagiolaria, or lack eyes altogether, like Afrops, Dianops, Ductina, and Trimerocephalus. The natural fracture lines (sutures) of the head

Phacopidae

Phacopina

Extinct suborder of trilobites

However, some Phacopina species lack eyes, such as the species of the genus Ductina. The natural fracture lines (sutures) of the head run along the top edges

Phacopina

Trilobite

Class of extinct, Paleozoic arthropods

some Eodiscina like Weymouthia, all Agnostina, and some Phacopina such as Ductina. The marginal sutures exhibited by the harpetids and trinucleioids are

Trilobite

Trimerocephalus

Genus of trilobites

one of several phacopid genera that is eyeless (others being Dianops, Ductina, and Trimerocephaloides). The dorsal facial sutures are not functional

Trimerocephalus

Illaenula

Genus of trilobites

Illaenula illaenoides, which was originally described under the genus Ductina. The type locality was the Stínava-Chabicov Formation, in Moravia. Available

Illaenula

Geology of China

upper left: Confuciusornis sanctus displayed in Hong Kong Science Museum, Ductina vietnamica from the Devonian (Hunan), Protopsephurus fossil specimen excavated

Geology of China

Geology_of_China

List of trilobite genera

Drumaspis Duamsannella Dubhglasina (=Australoharpes; =Sinoharpes) Dubovikites Ductina Dudleyaspis Dudu Duftonia Duibianaspis Dulanaspis Dunderbergia Dunderburgella

List of trilobite genera

List_of_trilobite_genera

Online names & meanings

Back

Surname or Lastname

English

Back

English : from Middle English bakke â€˜backâ€™ (Old English bÃ¦c), hence a nickname for someone with a hunched back or some other noticeable peculiarity of the back or spine, or a topographic name for someone who lived on a hill or ridge, or at the rear of a settlement.English : from the Old English personal name Bacca, which was still in use in the 12th century. It is of uncertain origin, but may have been a byname in the same sense as 1.English : nickname from Middle English bakke â€˜batâ€™ (apparently of Scandinavian origin), from some fancied resemblance to the animal.Altered spelling of Bach 1, 2, or 6.North German : from Middle Low German back â€˜kneading troughâ€™, hence a metonymic occupational name for someone who made or used such vessels.Americanized spelling of Norwegian Bakk(e) (see Bakke).