Mechanics 发表于 2025-3-26 22:48:40
,Neue fällestatistische Methodik,rmation structures are very ancient Proterozoic trace fossils. . occupied a now extinct ‘mat–cutter’ niche. The oldest biomat–associated ichnofossils occur in the Mina el Mesquite Formation (Cerro Las Bolas Group) near Sahuaripa, México. . . n. ichnogen. n. isp. provides evidence for rudimentary micvibrant 发表于 2025-3-27 03:58:19
Repräsentation und Verstehen: Einführungtop defense), served as an effective deterrent to Cambrian shell–boring predators. Family Cloudinidae was likely driven to extinction by first boring, and later crushing, predators. . provides an excellent example of the predator–prey escalation that took place during the Early Cambrian.AXIOM 发表于 2025-3-27 08:10:41
http://reply.papertrans.cn/29/2837/283695/283695_33.pngDALLY 发表于 2025-3-27 11:30:23
http://reply.papertrans.cn/29/2837/283695/283695_34.png排出 发表于 2025-3-27 15:02:56
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Hubert D. Zimmer,Johannes Engelkampe for: 1, advanced metazoan behavioral complexity, 2, maternal care, 3, nesting behavior, 4, nest site fidelity, 5, evidence for rudimentary eusociality, and 6, evidence for animalian internal fertilization. That such sophisticated behavioral programming appears in the Early Cambrian adds considerabdelta-waves 发表于 2025-3-28 01:32:15
Hubert D. Zimmer,Johannes Engelkamp) simultaneously in the earliest Jurassic at a time of profound global cooling in the wake of a major mass extinction. Where fossils are rare, due to their enclosing strata being deposited shortly after a mass extinction or for other reasons, each fossil discovery is potentially critical.突变 发表于 2025-3-28 05:36:46
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Dynamic Paleontology978-3-319-22777-1Series ISSN 2197-9545 Series E-ISSN 2197-9553ironic 发表于 2025-3-28 12:12:39
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