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Acta Oceanologica Sinica 2014年第4期33卷 77-84页

作者： WANG Hongwei GUO Shaoru ZHANG Xiaoming ZHAO Dan ZHANG Wen LUAN Rixiao College of Life Sciences Liaoning Normal University dalian natural history museum

On the basis of morphological observations, life history and molecular phylogeny, Grateloupia yangjiangensis, which is similar to G. filicina, G. orientalis, G. catenata, and G. ramosissima in appearance, was re-examined. The results are as follows：（1） the auxiliary-cell ampullae of G. yangjiangensis were of Grateloupia type, thalli was fleshy and gelatinous in texture, and the erect axes were compressed; the cortex was 0.25–0.30 mm thick, consisting of five to seven outer layers, and there were five inner layers of triangular or stellate cells;（2） there was no filamentous stage in the development of the carpospores;（3） the ribulose-1,5-bisphosphate carboxylase/oxygenase gene（rbcL） sequence of four G. yangjiangensis examined showed that there was no intergeneric divergence among them, and for the phylogenetic tree, four sequences of G. yangjiangensis formed a single monophyletic subclade within the large Grateloupia clade of Halymeniaceae. In conclusion, G. yangjiangensis was a single species within the genus Grateloupia. This research provided criterion for identification and cultivation of G. yangjiangensis.

关键词： Grateloupia yangjiangensis Halymeniaceae Rhodophyta morphological observations life history rbcL

Grateloupia ramosa Wang ＆ Luan sp. nov. (Halymeniaceae, Rhodophyta), a new species from China based on morphological evidence and comparative rbcL sequences

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Chinese Journal of Oceanology and Limnology 2016年第2期34卷 283-294页

作者：曹翠翠刘淼郭少茹赵丹栾日孝王宏伟 College of Life Sciences Liaoning Normal University Dalian 116081 China dalian natural history museum Dalian 116023 China

Grateloupia ramosa Wang & Luan sp. nov.(Halymeniaceae, Rhodophyta) is newly described from Hainan Province, southern China. The organism has the following morphological features:(1) purplish red, cartilaginous and lubricous thalli 5–10 cm in height;(2) compressed percurrent axes bearing abundant branches with opposite arrangement;(3) claw-like apices on top, constricted to 2–4 cm at the base;(4) cortex consisting of 3–6 layers of elliptical or anomalous cells and a medulla covered by compact medullary filaments;(5) reproductive structures distributed throughout the thallus, especially centralized at the bottom of the end portion of the branches; and(6) 4-celled Carpogonial branches and 3-celled auxiliary-cell branches, both of the Grateloupia-type. The morphological diff erences were supported by molecular phylogenetics based on ribulose-1, 5-bisphosphate carboxylase/oxygenase( rbc L) gene sequence analysis. There was only a 1 bp divergence between specimens collected from Wenchang and Lingshui of Hainan province. The new species was embedded in the large Grateloupia clade of the Halymeniaceae. The pairwise distances between G. ramosa and other species within Grateloupia ranged from 26 to 105 bp, within pairwise distances of 13–111 bp between species of the large genus Grateloupia in Halymeniaceae. Thus, we propose this new species as G. ramosa Wang & Luan sp. nov.

关键词： Grateloupia Grateloupia ramosa Halymeniaceae morphology rbcL sequence Rhdophyta

Morphological observation and rbcL gene sequences studies of two new species,Grateloupia dalianensis *** et ***,*** *** *** et ***,***.(Halymeniaceae,Rhodophyta) from China

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Acta Oceanologica Sinica 2012年第2期31卷 109-120页

作者： ZHAO Dan WANG Hongwei SHENG Yingwen LV Jianzhou LUAN Rixiao College of Life Sciences Liaoning Normal University Dalian 116029 China dalian natural history museum Dalian 116023 China

A few species in the genus Grateloupia （Halymeniaceae, Rhodophyta） have been investigated in detail with respect to morphological observations and molecular analyses. In this study, the au- thors document the vegetative and reproductive structures of two new species of Grateloupia, G. dalianensis *** et ***, ***, and G. yinggehaiensis *** et ***, ***. They both have the morphological character that carpogonial ampullae and auxiliary cell ampullae are the simple Grateloupia-type. The two species can be distinguished from other species of the genus by their distinctive morphological features respectively. Bused on ribulose-l,5-bisphosphate carboxylase/oxygenase （rbcL） gene sequences, the phylogenetic tree obtained in the study indicated that they are both embedded within the Grateloupia clade. G. dalianensis clusters a subclade with G. asiatica, and G. yinggehaiensis forms a single monophyletic subclade with G. hawaiiana.

关键词： Halymeniaceae Grateloupia Grateloupia dalianensis Grateloupia yinggehaiensis morphology rbcL gene

“Pachyostosis” in aquatic amniotes: a review

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Integrative Zoology 2009年第4期4卷 325-340页

作者： Alexandra HOUSSAYE Department of Earth history Museum of Natural HistoryParisFrance

During the course of amniote evolution,numerous taxa secondarily adapted to an aquatic *** appears that many of these taxa primitively display“pachyostosis,”an osseous specialization characterized by an increase in bone compactness and/or *** term“pachyostosis”is used in morphological and histological descriptions to describe what in fact corresponds to different *** aim of this paper is to present the current state of knowledge relative to this adaptation among aquatic *** the taxa that have returned to an aquatic environ-ment are ***,their degree of adaptation to the marine environment,their life environment,and the nature of their“pachyostotic”pattern,when present,are *** inventory enables the evaluation of the current quality of the data relative to this specialization and provides an indication of the work that remains to be *** functional consequences of“pachyostosis,”and notably its importance for buoyancy control in the context of hydrostatic regulation of the body trim,are discussed and opposed to the requirement of improved swimming abilities in the case of a hydrodynamic mode of trim *** are posed about the significa-tion of the polymorphism displayed by this specialization between different taxa,different specimens of the same taxon and different bones of the same specimen,and the problem of quantification of pachyostosis is discussed.

关键词： buoyancy control life environment locomotion “pachyostosis”sensu lato polymorphism.

A New Nodosaurid Ankylosaur from the Chaochuan Formation of Dongyang, Zhejiang Province, China

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Acta Geologica Sinica(English Edition) 2013年第3期87卷 658-671页

作者： CHEN Rongjun ZHENG Wenjie Yoichi AZUMA Masateru SHIBATA LOU Tianliang JIN Qiang JIN Xingsheng Dongyang museum Zhejiang museum of natural history Fukui Prefectural Dinosaur museum

Dongyangopelta yangyanensis gen. et sp. nov. from the Chaochuan Formation （Albian - Cenomanian） of Dongyang, Zhejiang Province, China is characterized： the convex anterior surface of the first presacral rod centrum strongly inflates laterally and slightly curves posteriorly; the fused pelvic shield composes of larger pebble-shaped bosses, defined by smaller tubercles or flat stretches of bone; most osteoderms are heavily roughened with notches and grooves for dermal attachment along the edge; domed triradiate osteoderm is present; sigmoid curvature of the dorsal surface of the ilium is present; the preacetabular process curves lateroventraUy at the anterior end and has a shallow groove in the edge of the lateral and anterior ends and strong lateromedial expansion of the distal femur. The femoral head is well separated from the greater trochanter, indicating that Dongyangopeita is a nodosaurid ankylosaur, the second from southeast China. Phylogenetic analysis also positions this taxon in the Nodosauridae clade. Dongyangopelta differs from Zhejiangosaurus in the characters of presacral rod, ilium, and femur. Dongyangopelta represents the first ankylosaur outside North America and Europe that definitively possesses a pelvic shield with fused armor.

关键词： Ankylosauria Nodosauridae Cretaceous Dongyang Zhejiang Province

New Material of Sinosauropteryx (Theropoda:Compsognathidae) from Western Liaoning,China

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Acta Geologica Sinica(English Edition) 2007年第2期81卷 177-182页

作者： JI Shu＇an GAO Chunling LIU Jinyuan MENG Qingjin JI Qiang Institute of Geology Chinese Academy of Geological Sciences Beijing 100037 dalian natural history museum Dalian Liaoning 116023

An incomplete specimen of Sinosauropteryx prima collected from the Early Cretaceous Yixian Formation of the Dawangzhangzi area in Lingyuan, western Liaoning is depicted. It represents the first systematically described material of this feathered compsognathid outside the Sihetun area in Beipiao. This specimen shows some diagnostic features of Sinosauropteryx prima, such as the very short forelimb in relation to hindlimb with the length ratio of humerus plus radius to femur plus tibia just around 30%, and the long and massive first manual ungual subequal in length to radius. The presence of Sinosauropteryx prima only at Sihetun and Dawangzhangzi supports the suggestion that the fossil-bearing beds in the Sihetun and Dawangzhangzi areas are equivalent to each other within the Yixian Formation.

关键词： Sinosauropteryx Lingyuan Liaoning Yixian Formation stratigraphic correlation,Cretaceous

Demographic trends and climate over 35 years in the Barro Colorado 50 ha plot

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Forest Ecosystems 2017年第4期4卷 273-285页

作者： Richard Condit Rolando Pérez Suzanne Lao Salomón Aguilar Stephen P. Hubbell Field museum of natural history 1400 S

Background： The first three censuses of the 50-ha plot at Barro Colorado Island spanned an unusually harsh dry season during the 1983 El Nitro. By the early 1990s, we had documented increases in tree mortality, tree growth, and large population fluctuations of many species during the 1982-1985 census interval. At the time, we asserted that increasing drought frequency would greatly affect the forest. With the benefit of five more censuses at Barro Colorado from 1995-2015, we can now put the 1980 conditions in a longer perspective and test the hypothesis that increasing droughtiness has continued to change the forest. Methods： A 50-ha forest plot on Barro Colorado Island was censused eight times, in 1982 and every five years since 1985. All free-standing woody stems were measured, mapped, and identified in each census. Results： 1） The period 1982-1992 included several extreme dry seasons, not just 1983, but since then there have been few such droughts. 2） Dbh growth declined from a peak in the early 1980s to its lowest in the early 1990s. From 1995-2015 it increased slightly, but not returning to the initial peak. Nearly every species and all dbh categories followed the same pattern. 3） The elevated stand-wide mortality rate of large trees during the 1982-1985 drought has not returned, and most individual species showed the same pattern of elevated mortality in the 1980s followed by low and fairly stable mortality after 1990. 4） Sapling mortality declined after 198,5, but rose again in the late-90s, so the 1980s drought period no longer looks unusual. Mortality of individual species＇ saplings fluctuated erratically, including cases where mortality during the drought was lower than after. 5） Population sizes of individual species fluctuated in all possible directions. Some species declined precipitously during the drought, then recovered, but others did not recover. Other species increased in abundance during the drought. Conclusions＂ Droughts of the 1980s elevated tr

关键词： Demographic trends climate

New Material of Pterosaur Sinopterus (Reptilia:Pterosauria) from the Early Cretaceous Jiufotang Formation,Western Liaoning,China

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Acta Geologica Sinica(English Edition) 2006年第6期80卷 783-789页

作者： Lü Junchang LIU Jinyuan WANG Xuri GAO Chunling MENG Qingjin JI Qiang Institute of Geology Chinese Academy of Geological Sciences Beijing 100037 dalian natural history museum Dalian Liaoning 116023

Based on a new nearly complete postcranial skeleton of an adult specimen of Sinopterus from the Early Cretaceous Jiufotang Formation of western Liaoning, China, the diagnosis of Sinopterus is amended. The revised diagnosis of Sinopterus includes skull relatively elongate with weakly developed cranial crest; ratio of the length of Ph2d4 to that of Ph1d4 is approximately 0.73; ratio of the length of wing metacarpal to that of metatarsal 3 is 4.5; ratio of the length of mt3 to that of tibia is approximately 0.21, and wing phalanges 1 and 2 are straight. Comparison between the ratios of the limb bones between non-adult and adult individuals of Sinopterus indicates that during the ontogenetic process, some ratios between bones are constant, such as the first wing phalanx to the second wing phalanx, the wing metacarpal to the metatarsal 3, metatarsal 3 to the tibia, but others are not, such as humerus to wing metacarpal and femur to tibia, in which the former grows faster than the latter.

关键词： Sinopterus amended diagnosis ontogeny Jiufotang Formation Early Cretaceous western Liaoning China

The Pterosaur Collection at the natural history museum,London,UK:an Overview and List of Specimens,with Description of Recent Curatorial Developments

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Acta Geologica Sinica(English Edition) 2012年第6期86卷 1340-1355页

作者： Lorna STEEL Department of Earth Sciences Natural History Museum

The pterosaur collection at the natural history museum is of great historical importance. Most of the material is figured or cited, and several specimens are types or casts of types. Pterosaurs from UK localities are well represented, but foreign material is also present as original specimens and as high quality casts. The entire collection has been recorded in a database and curatorial improvements have been made, which has improved physical and virtual access to the collection. Although many of the specimens were collected as long ago as the early 1800s, they are still useful today. A full list of natural history museum pterosaur specimens is published, for the first time since 1888.

关键词： Pterosauria curation museum

A New Species of Mongolarachnidae from the Yixian Formation of Western Liaoning, China

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Acta Geologica Sinica(English Edition) 2019年第1期93卷 227-228页

作者： CHENG Xiaodong LIU Sizhao HUANG Wenjuan LIU Li LI Hongming LI Yinxian dalian natural history museum Liaoning Provincial Department of Mineral Resources Protection and Supervision

Objective Mongolarachnidae are large netted spiders,livingin tropical and subtropical regions. The earliest fossil record is Nephila jurassica,which was discovered from the Middle Jurassic Jiulongshan Formation in Dao... 详细信息

关键词： A New Species of Mongolarachnidae from the Yixian Formation of Western Liaoning China