Mesozygiella is an extinct genus of orb-weaving spider (family Araneidae), with one known species, Mesozygiella dunlopi, dating from the Early Cretaceous, making it the earliest orb-weaver yet discovered. Two male specimens of the species were found embedded in amber in Álava, northern Spain. The fossils provide direct evidence that the three major orb weaving families, namely Araneidae, Tetragnathidae and Uloboridae, had evolved by this time, about 140 million years ago. They probably originated during the Jurassic (200-145 million years ago). All three families very likely have a common origin.
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| - Mesozygiella dunlopi (es)
- Mesozygiella dunlopi (fr)
- Mesozygiella dunlopi (it)
- Mesozygiella (en)
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| - Mesozygiella dunlopi es una especie extinta de araña araneomorfa de la familia Araneidae. Los especímenes fueron encontrados incrustados en ámbar en Álava, en el norte de España. Con estos fósiles la utilización de la seda para la formación de redes de captura queda fechada en el Cretácico Inferior. Actualmente, con los datos morfológicos existentes, se las relaciona filogenéticamente con el género Zygiella. (es)
- Mesozygiella dunlopi, unique représentant du genre Mesozygiella, est une espèce éteinte d'araignées aranéomorphes de la famille des Araneidae. (fr)
- Mesozygiella dunlopi & , 2006 è un ragno fossile appartenente alla famiglia Araneidae. È l'unica specie nota del genere Mesozygiella. (it)
- Mesozygiella is an extinct genus of orb-weaving spider (family Araneidae), with one known species, Mesozygiella dunlopi, dating from the Early Cretaceous, making it the earliest orb-weaver yet discovered. Two male specimens of the species were found embedded in amber in Álava, northern Spain. The fossils provide direct evidence that the three major orb weaving families, namely Araneidae, Tetragnathidae and Uloboridae, had evolved by this time, about 140 million years ago. They probably originated during the Jurassic (200-145 million years ago). All three families very likely have a common origin. (en)
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| - Penney & Ortuño, 2006 (en)
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| - Penney & Ortuño, 2006 (en)
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| - Mesozygiella dunlopi (en)
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| - Mesozygiella dunlopi es una especie extinta de araña araneomorfa de la familia Araneidae. Los especímenes fueron encontrados incrustados en ámbar en Álava, en el norte de España. Con estos fósiles la utilización de la seda para la formación de redes de captura queda fechada en el Cretácico Inferior. Actualmente, con los datos morfológicos existentes, se las relaciona filogenéticamente con el género Zygiella. (es)
- Mesozygiella dunlopi, unique représentant du genre Mesozygiella, est une espèce éteinte d'araignées aranéomorphes de la famille des Araneidae. (fr)
- Mesozygiella is an extinct genus of orb-weaving spider (family Araneidae), with one known species, Mesozygiella dunlopi, dating from the Early Cretaceous, making it the earliest orb-weaver yet discovered. Two male specimens of the species were found embedded in amber in Álava, northern Spain. The fossils provide direct evidence that the three major orb weaving families, namely Araneidae, Tetragnathidae and Uloboridae, had evolved by this time, about 140 million years ago. They probably originated during the Jurassic (200-145 million years ago). All three families very likely have a common origin. The found males have a body length of two to almost three millimeters and eight eyes. The fossils are highly similar to recent Zygiella species, apart from the embolus originating medially rather than distally. (en)
- Mesozygiella dunlopi & , 2006 è un ragno fossile appartenente alla famiglia Araneidae. È l'unica specie nota del genere Mesozygiella. (it)
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