Project 804: D. A. Legg, M. D. Sutton, G. D. Edgecombe, J.-B. Caron. 2012. Cambrian bivalved arthropod reveals origin of arthrodization. Proceedings of the Royal Society B: Biological Sciences. 279 (1748):4699-4704 .
Abstract
Extant arthropods are diverse and ubiquitous, forming a major constituent of most modern ecosystems. Evidence from early Palaeozoic Konservat Lagerstätten indicates that this has been the case since the Cambrian. Despite this, the details of arthropod origins remain obscure, although most hypotheses regard the first arthropods as benthic predators or scavengers such as the fuxianhuiids or megacheirans (‘great-appendage’ arthropods). Here, we describe a new arthropod from the Tulip Beds locality of the Burgess Shale Formation (Cambrian, series 3, stage 5) that possesses a weakly sclerotized thorax with filamentous appendages, encased in a bivalved carapace, and a strongly sclerotized, elongate abdomen and telson. A cladistic analysis resolved this taxon as the basal-most member of a paraphyletic grade of nekto-benthic forms with bivalved carapaces. This grade occurs at the base of Arthropoda (panarthropods with arthropodized trunk limbs) and suggests that arthrodization (sclerotization and jointing of the exoskeleton) evolved to facilitate swimming. Predatory and fully benthic habits evolved later in the euarthropod stem-lineage and are plesiomorphically retained in pycnogonids (sea spiders) and euchelicerates (horseshoe crabs and arachnids).Read the article »
Project DOI: 10.7934/P804, http://dx.doi.org/10.7934/P804
This project contains | Matrices |
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Download Project SDD File | Total scored cells: 67301 Total media associated with cells: 0 Total labels associated with cell media: 0 |
Characters | |
Total characters: 589 Total characters with associated media: 0 Total characters with media with labels: 0 Total character states: 1312 Total character states with associated media: 0 Total character states with media with labels:0 Total unordered/ordered characters:589/0 |
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MorphoBank Project 804
MorphoBank Project 804
- Creation Date:
15 October 2012 - Publication Date:
18 September 2013 - Project views: 47835
- Media downloads: 1
- Matrix downloads: 13
Authors' Institutions
- Natural History Museum, London
- Imperial College London
- University of Toronto
- Royal Ontario Museum
Members
member name | taxa | specimens | media | chars | character
| cell scorings (scored, NPA, "-") | cell
| rules | ||||||||||
Jo Wolfe Project Administrator | 173 | 1 | 1 | 589 | 0 | 0 | 0 | 67301 (36223, 0, 31078) | 0 | 0 | 0 | 0 | ||||||
MorphoBank Curator | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 (0, 0, 0) | 0 | 0 | 0 | 0 | ||||||
Greg Edgecombe Full membership | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 (0, 0, 0) | 0 | 0 | 0 | 0 | ||||||
David Legg Full membership | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 (0, 0, 0) | 0 | 0 | 0 | 0 |
Taxonomic Overview for Matrix 'M1842' (173 Taxa)
taxon | unscored cells |
scored cells |
no cell support |
NPA cells |
"-" cells | cell images | labels on cell images |
member access |
[1] Nematoda Last Modified in 12/05/13 | 111 | 62 | 62 | 0 | 416 | 0 | 0 | 3 |
[2] Priapulida Last Modified in 12/05/13 | 113 | 60 | 60 | 0 | 416 | 0 | 0 | 3 |
[3] Hypsibius Last Modified in 12/05/13 | 90 | 142 | 142 | 0 | 357 | 0 | 0 | 3 |
[4] Milnesium Last Modified in 12/05/13 | 91 | 141 | 141 | 0 | 357 | 0 | 0 | 3 |
[5] Euperipatoides Last Modified in 12/05/13 | 58 | 178 | 178 | 0 | 353 | 0 | 0 | 3 |
[6] Peripatidae Last Modified in 12/05/13 | 85 | 151 | 151 | 0 | 353 | 0 | 0 | 3 |
[7] Endeis Last Modified in 12/05/13 | 132 | 232 | 232 | 0 | 225 | 0 | 0 | 3 |
[8] Colossendeis Last Modified in 12/05/13 | 142 | 219 | 219 | 0 | 228 | 0 | 0 | 3 |
[9] Ammotheidae Last Modified in 12/05/13 | 100 | 266 | 266 | 0 | 223 | 0 | 0 | 3 |
[10] † Flagellopantopus Last Modified in 12/05/13 | 234 | 151 | 151 | 0 | 204 | 0 | 0 | 3 |
[11] † Haliestes Last Modified in 12/05/13 | 233 | 157 | 157 | 0 | 199 | 0 | 0 | 3 |
[12] † Palaeoisopus Last Modified in 12/05/13 | 227 | 162 | 162 | 0 | 200 | 0 | 0 | 3 |
[13] † Palaeopantopus Last Modified in 12/05/13 | 223 | 155 | 155 | 0 | 211 | 0 | 0 | 3 |
[14] Limulus Last Modified in 12/05/13 | 70 | 372 | 372 | 0 | 147 | 0 | 0 | 3 |
[15] Carcinoscorpius Last Modified in 12/05/13 | 107 | 336 | 336 | 0 | 146 | 0 | 0 | 3 |
[16] † Offacolus Last Modified in 12/05/13 | 260 | 194 | 194 | 0 | 135 | 0 | 0 | 3 |
[17] † Weinbergina Last Modified in 12/05/13 | 259 | 196 | 196 | 0 | 134 | 0 | 0 | 3 |
[18] † Alanops Last Modified in 12/05/13 | 278 | 188 | 188 | 0 | 123 | 0 | 0 | 3 |
[19] † Baltoeurypterus Last Modified in 12/05/13 | 253 | 223 | 223 | 0 | 113 | 0 | 0 | 3 |
[20] † Pterygotus Last Modified in 12/05/13 | 262 | 215 | 215 | 0 | 112 | 0 | 0 | 3 |
[21] † Mixopterus Last Modified in 12/05/13 | 260 | 216 | 216 | 0 | 113 | 0 | 0 | 3 |
[22] † Megalograptus Last Modified in 12/05/13 | 261 | 215 | 215 | 0 | 113 | 0 | 0 | 3 |
[23] † Moselopterus Last Modified in 12/05/13 | 262 | 214 | 214 | 0 | 113 | 0 | 0 | 3 |
[24] † Parastylonurus Last Modified in 12/05/13 | 262 | 214 | 214 | 0 | 113 | 0 | 0 | 3 |
[25] † Rhenopterus Last Modified in 12/05/13 | 261 | 215 | 215 | 0 | 113 | 0 | 0 | 3 |
[26] † Onychopterella augusti Last Modified in 12/05/13 | 259 | 217 | 217 | 0 | 113 | 0 | 0 | 3 |
[27] Buthidae Last Modified in 12/05/13 | 81 | 365 | 365 | 0 | 143 | 0 | 0 | 3 |
[28] Scorpionidae Last Modified in 12/05/13 | 74 | 372 | 372 | 0 | 143 | 0 | 0 | 3 |
[29] † Proscorpius Last Modified in 12/05/13 | 236 | 218 | 218 | 0 | 135 | 0 | 0 | 3 |
[30] † Eoscorpius carbonarius Last Modified in 12/05/13 | 235 | 220 | 220 | 0 | 134 | 0 | 0 | 3 |
[31] † Pulmonoscorpius Last Modified in 12/05/13 | 235 | 220 | 220 | 0 | 134 | 0 | 0 | 3 |
[32] † Compsoscorpius Last Modified in 12/05/13 | 236 | 220 | 220 | 0 | 133 | 0 | 0 | 3 |
[33] † Palaeophonus Last Modified in 12/05/13 | 247 | 215 | 215 | 0 | 127 | 0 | 0 | 3 |
[34] Mastigoproctus Last Modified in 12/05/13 | 96 | 344 | 344 | 0 | 149 | 0 | 0 | 3 |
[35] Mygalomorphae Last Modified in 12/05/13 | 62 | 376 | 375 | 0 | 152 | 0 | 0 | 3 |
[36] Liphistius Last Modified in 12/05/13 | 117 | 329 | 329 | 0 | 143 | 0 | 0 | 3 |
[37] Cupiennius Last Modified in 12/05/13 | 117 | 327 | 327 | 0 | 145 | 0 | 0 | 3 |
[38] † Attercopus Last Modified in 12/05/13 | 302 | 165 | 165 | 0 | 122 | 0 | 0 | 3 |
[39] Stenochrus Last Modified in 12/05/13 | 121 | 325 | 325 | 0 | 143 | 0 | 0 | 3 |
[40] Prokoenenia Last Modified in 12/05/13 | 122 | 312 | 311 | 0 | 156 | 0 | 0 | 3 |
[41] Idiogaryops Last Modified in 12/05/13 | 123 | 312 | 312 | 0 | 154 | 0 | 0 | 3 |
[42] Eremocosta Last Modified in 12/05/13 | 122 | 313 | 312 | 0 | 155 | 0 | 0 | 3 |
[43] Cryptocellus Last Modified in 12/05/13 | 126 | 309 | 309 | 0 | 154 | 0 | 0 | 3 |
[44] † Gilboarachne Last Modified in 12/05/13 | 245 | 213 | 213 | 0 | 131 | 0 | 0 | 3 |
[45] † Palaeochrinus Last Modified in 12/05/13 | 238 | 221 | 221 | 0 | 130 | 0 | 0 | 3 |
[46] † Eophrynus Last Modified in 12/05/13 | 250 | 203 | 203 | 0 | 136 | 0 | 0 | 3 |
[47] † Anthracomartus Last Modified in 12/05/13 | 250 | 209 | 209 | 0 | 130 | 0 | 0 | 3 |
[48] † Plesiosiro Last Modified in 12/05/13 | 274 | 189 | 189 | 0 | 126 | 0 | 0 | 3 |
[49] Mesotarbus Last Modified in 12/05/13 | 260 | 191 | 191 | 0 | 138 | 0 | 0 | 3 |
[50] Phrynus Last Modified in 12/05/13 | 120 | 325 | 325 | 0 | 144 | 0 | 0 | 3 |
[51] Opilioacarus Last Modified in 12/05/13 | 134 | 287 | 287 | 0 | 168 | 0 | 0 | 3 |
[52] Scutigera Last Modified in 12/05/13 | 72 | 336 | 336 | 0 | 181 | 0 | 0 | 3 |
[53] Lithobius Last Modified in 12/05/13 | 62 | 334 | 334 | 0 | 193 | 0 | 0 | 3 |
[54] Craterostigmus Last Modified in 12/05/13 | 122 | 280 | 280 | 0 | 187 | 0 | 0 | 3 |
[55] Scolopendra Last Modified in 12/05/13 | 64 | 332 | 331 | 0 | 194 | 0 | 0 | 3 |
[56] Mecistocephalus Last Modified in 12/05/13 | 127 | 261 | 261 | 0 | 201 | 0 | 0 | 3 |
[57] Geophilidae Last Modified in 12/05/13 | 93 | 293 | 293 | 0 | 203 | 0 | 0 | 3 |
[58] Hanseniella Last Modified in 12/05/13 | 109 | 272 | 272 | 0 | 208 | 0 | 0 | 3 |
[59] Scutigerella Last Modified in 12/05/13 | 92 | 285 | 285 | 0 | 212 | 0 | 0 | 3 |
[60] Pauropodinae Last Modified in 12/05/13 | 91 | 278 | 278 | 0 | 220 | 0 | 0 | 3 |
[61] Polyxenus Last Modified in 12/05/13 | 109 | 272 | 272 | 0 | 208 | 0 | 0 | 3 |
[62] Glomeris Last Modified in 12/05/13 | 91 | 288 | 288 | 0 | 210 | 0 | 0 | 3 |
[63] Proteroiulus Last Modified in 12/05/13 | 95 | 279 | 279 | 0 | 215 | 0 | 0 | 3 |
[64] Narceus Last Modified in 12/05/13 | 111 | 269 | 269 | 0 | 209 | 0 | 0 | 3 |
[65] Acerentomidae Last Modified in 12/05/13 | 97 | 278 | 278 | 0 | 214 | 0 | 0 | 3 |
[66] Tomocerus Last Modified in 12/05/13 | 78 | 329 | 329 | 0 | 182 | 0 | 0 | 3 |
[67] Sminthurinus Last Modified in 12/05/13 | 108 | 302 | 302 | 0 | 179 | 0 | 0 | 3 |
[68] Campodeidae Last Modified in 12/05/13 | 92 | 298 | 298 | 0 | 199 | 0 | 0 | 3 |
[69] Japygidae Last Modified in 12/05/13 | 107 | 285 | 285 | 0 | 197 | 0 | 0 | 3 |
[70] Meinertellidae Last Modified in 12/05/13 | 131 | 290 | 290 | 0 | 168 | 0 | 0 | 3 |
[71] Machilidae Last Modified in 12/05/13 | 75 | 346 | 346 | 0 | 168 | 0 | 0 | 3 |
[72] Tricholepidion Last Modified in 12/05/13 | 123 | 299 | 299 | 0 | 167 | 0 | 0 | 3 |
[73] Lepismatidae Last Modified in 12/05/13 | 61 | 366 | 366 | 0 | 162 | 0 | 0 | 3 |
[74] Callibaetis Last Modified in 12/05/13 | 116 | 309 | 309 | 0 | 164 | 0 | 0 | 3 |
[75] Periplaneta Last Modified in 12/05/13 | 86 | 341 | 341 | 0 | 162 | 0 | 0 | 3 |
[76] Locusta Last Modified in 12/05/13 | 56 | 371 | 371 | 0 | 162 | 0 | 0 | 3 |
[77] Drosophila Last Modified in 12/05/13 | 49 | 360 | 360 | 0 | 180 | 0 | 0 | 3 |
[78] Remipedia Last Modified in 12/05/13 | 113 | 268 | 268 | 0 | 208 | 0 | 0 | 3 |
[79] Hutchinsoniella Last Modified in 12/05/13 | 105 | 267 | 267 | 0 | 217 | 0 | 0 | 3 |
[80] Artemia Last Modified in 12/05/13 | 79 | 314 | 314 | 0 | 196 | 0 | 0 | 3 |
[81] Branchinella Last Modified in 12/05/13 | 137 | 256 | 256 | 0 | 196 | 0 | 0 | 3 |
[82] Triops Last Modified in 12/05/13 | 89 | 308 | 308 | 0 | 192 | 0 | 0 | 3 |
[83] Lynceus Last Modified in 12/05/13 | 139 | 259 | 259 | 0 | 191 | 0 | 0 | 3 |
[84] Limnadia Last Modified in 12/05/13 | 151 | 257 | 257 | 0 | 181 | 0 | 0 | 3 |
[85] Limnadopsis Last Modified in 12/05/13 | 163 | 245 | 245 | 0 | 181 | 0 | 0 | 3 |
[86] Cyclestheria Last Modified in 12/05/13 | 162 | 245 | 245 | 0 | 182 | 0 | 0 | 3 |
[87] Daphnia Last Modified in 12/05/13 | 113 | 282 | 282 | 0 | 194 | 0 | 0 | 3 |
[88] Leptodora Last Modified in 12/05/13 | 129 | 261 | 261 | 0 | 199 | 0 | 0 | 3 |
[89] Calanoida Last Modified in 12/05/13 | 117 | 261 | 261 | 0 | 211 | 0 | 0 | 3 |
[90] Balanus Last Modified in 12/05/13 | 123 | 250 | 250 | 0 | 216 | 0 | 0 | 3 |
[91] Cypridopsis Last Modified in 12/05/13 | 143 | 234 | 234 | 0 | 212 | 0 | 0 | 3 |
[92] Argulus Last Modified in 12/05/13 | 139 | 262 | 262 | 0 | 188 | 0 | 0 | 3 |
[93] Raillietiella Last Modified in 12/05/13 | 128 | 167 | 167 | 0 | 294 | 0 | 0 | 3 |
[94] Nebalia Last Modified in 12/05/13 | 100 | 300 | 300 | 0 | 189 | 0 | 0 | 3 |
[95] Paranebalia Last Modified in 12/05/13 | 183 | 230 | 230 | 0 | 176 | 0 | 0 | 3 |
[96] Stomatopoda Last Modified in 12/05/13 | 91 | 318 | 318 | 0 | 180 | 0 | 0 | 3 |
[97] Anaspides Last Modified in 12/05/13 | 100 | 306 | 306 | 0 | 183 | 0 | 0 | 3 |
[98] Orchestia Last Modified in 12/05/13 | 134 | 275 | 275 | 0 | 180 | 0 | 0 | 3 |
[99] Oniscidea Last Modified in 12/05/13 | 69 | 329 | 329 | 0 | 191 | 0 | 0 | 3 |
[100] Meganyctiphanes Last Modified in 12/05/13 | 148 | 270 | 270 | 0 | 171 | 0 | 0 | 3 |
[101] Homarus Last Modified in 12/05/13 | 71 | 337 | 337 | 0 | 181 | 0 | 0 | 3 |
[102] † Aysheaia Last Modified in 12/05/13 | 227 | 67 | 67 | 0 | 295 | 0 | 0 | 3 |
[103] † Megadictyon Last Modified in 12/05/13 | 246 | 55 | 55 | 0 | 288 | 0 | 0 | 3 |
[104] † Jianshanopodia Last Modified in 12/05/13 | 262 | 59 | 59 | 0 | 268 | 0 | 0 | 3 |
[105] † Kerygmachela Last Modified in 12/05/13 | 260 | 62 | 62 | 0 | 267 | 0 | 0 | 3 |
[106] † Pambdelurion Last Modified in 12/05/13 | 272 | 54 | 54 | 0 | 263 | 0 | 0 | 3 |
[107] † Anomalocaris Last Modified in 12/05/13 | 253 | 73 | 73 | 0 | 263 | 0 | 0 | 3 |
[108] † Hurdia Last Modified in 12/05/13 | 250 | 72 | 72 | 0 | 267 | 0 | 0 | 3 |
[109] † Opabinia Last Modified in 12/05/13 | 253 | 72 | 72 | 0 | 264 | 0 | 0 | 3 |
[110] † Fuxianhuia Last Modified in 12/05/13 | 270 | 149 | 149 | 0 | 170 | 0 | 0 | 3 |
[111] † Guangweicaris Last Modified in 12/05/13 | 281 | 138 | 138 | 0 | 170 | 0 | 0 | 3 |
[112] † Liangwangshania Last Modified in 12/05/13 | 275 | 144 | 144 | 0 | 170 | 0 | 0 | 3 |
[113] † Chengjiangocaris Last Modified in 12/05/13 | 274 | 145 | 145 | 0 | 170 | 0 | 0 | 3 |
[114] † Branchiocaris Last Modified in 12/05/13 | 262 | 160 | 160 | 0 | 167 | 0 | 0 | 3 |
[115] † Canadaspis Last Modified in 12/05/13 | 266 | 156 | 156 | 0 | 167 | 0 | 0 | 3 |
[116] † Nereocaris Last Modified in 12/05/13 | 264 | 157 | 157 | 0 | 168 | 0 | 0 | 3 |
[117] † Jugatacaris Last Modified in 12/05/13 | 264 | 157 | 157 | 0 | 168 | 0 | 0 | 3 |
[118] † Pectocaris spp Last Modified in 12/05/13 | 267 | 156 | 156 | 0 | 166 | 0 | 0 | 3 |
[119] † Odaraia Last Modified in 12/05/13 | 266 | 156 | 156 | 0 | 167 | 0 | 0 | 3 |
[120] † Perspicaris Last Modified in 12/05/13 | 264 | 158 | 158 | 0 | 167 | 0 | 0 | 3 |
[121] † Shankouia Last Modified in 12/05/13 | 271 | 150 | 150 | 0 | 168 | 0 | 0 | 3 |
[122] † Stanley glacier Last Modified in 12/05/13 | 298 | 131 | 131 | 0 | 160 | 0 | 0 | 3 |
[123] † Parapeytoia Last Modified in 12/05/13 | 349 | 83 | 83 | 0 | 157 | 0 | 0 | 3 |
[124] † Fortiforceps Last Modified in 12/05/13 | 258 | 159 | 159 | 0 | 172 | 0 | 0 | 3 |
[125] † Yohoia Last Modified in 12/05/13 | 256 | 159 | 159 | 0 | 174 | 0 | 0 | 3 |
[126] † Haikoucaris Last Modified in 12/05/13 | 277 | 141 | 141 | 0 | 171 | 0 | 0 | 3 |
[127] † Alalcomenaeus Last Modified in 12/05/13 | 254 | 162 | 162 | 0 | 173 | 0 | 0 | 3 |
[128] † Oestokerkus Last Modified in 12/05/13 | 264 | 152 | 152 | 0 | 173 | 0 | 0 | 3 |
[129] † Leanchoilia persephone Last Modified in 12/05/13 | 251 | 165 | 165 | 0 | 173 | 0 | 0 | 3 |
[130] † Leanchoilia illecebrosa Last Modified in 12/05/13 | 251 | 165 | 165 | 0 | 173 | 0 | 0 | 3 |
[131] † Leanchoilia superlata Last Modified in 12/05/13 | 251 | 165 | 165 | 0 | 173 | 0 | 0 | 3 |
[132] † Molaria Last Modified in 12/05/13 | 252 | 153 | 153 | 0 | 184 | 0 | 0 | 3 |
[133] † Emeraldella Last Modified in 12/05/13 | 237 | 166 | 166 | 0 | 186 | 0 | 0 | 3 |
[134] † Sidneyia Last Modified in 12/05/13 | 257 | 170 | 170 | 0 | 162 | 0 | 0 | 3 |
[135] † Neostrabops Last Modified in 12/05/13 | 373 | 96 | 96 | 0 | 120 | 0 | 0 | 3 |
[136] † Pseudoarthron Last Modified in 12/05/13 | 411 | 65 | 65 | 0 | 113 | 0 | 0 | 3 |
[137] † Cheloniellon Last Modified in 12/05/13 | 271 | 158 | 158 | 0 | 160 | 0 | 0 | 3 |
[138] † Triopus Last Modified in 12/05/13 | 342 | 102 | 102 | 0 | 145 | 0 | 0 | 3 |
[139] † Duslia Last Modified in 12/05/13 | 364 | 104 | 104 | 0 | 121 | 0 | 0 | 3 |
[140] † Retifacies Last Modified in 12/05/13 | 257 | 174 | 174 | 0 | 158 | 0 | 0 | 3 |
[141] † Pygmaclypeatus Last Modified in 12/05/13 | 328 | 121 | 121 | 0 | 140 | 0 | 0 | 3 |
[142] † Squamacula Last Modified in 12/05/13 | 251 | 151 | 151 | 0 | 187 | 0 | 0 | 3 |
[143] † Phytophilaspis Last Modified in 12/05/13 | 355 | 113 | 113 | 0 | 121 | 0 | 0 | 3 |
[144] † Sinoburius Last Modified in 12/05/13 | 261 | 168 | 168 | 0 | 160 | 0 | 0 | 3 |
[145] † Xanderella Last Modified in 12/05/13 | 257 | 172 | 172 | 0 | 160 | 0 | 0 | 3 |
[146] † Cindarella Last Modified in 12/05/13 | 256 | 173 | 173 | 0 | 160 | 0 | 0 | 3 |
[147] † Siriocaris Last Modified in 12/05/13 | 260 | 146 | 146 | 0 | 183 | 0 | 0 | 3 |
[148] † Naraoia compacta Last Modified in 12/05/13 | 255 | 172 | 172 | 0 | 162 | 0 | 0 | 3 |
[149] † Naraoia spinosa Last Modified in 12/05/13 | 255 | 171 | 171 | 0 | 163 | 0 | 0 | 3 |
[150] † Misszhouia Last Modified in 12/05/13 | 255 | 171 | 171 | 0 | 163 | 0 | 0 | 3 |
[151] † Kuamaia Last Modified in 12/05/13 | 259 | 170 | 170 | 0 | 160 | 0 | 0 | 3 |
[152] † Helmetia Last Modified in 12/05/13 | 343 | 123 | 123 | 0 | 123 | 0 | 0 | 3 |
[153] † Skioldia Last Modified in 12/05/13 | 278 | 149 | 149 | 0 | 162 | 0 | 0 | 3 |
[154] † Tegopelte Last Modified in 12/05/13 | 277 | 150 | 150 | 0 | 162 | 0 | 0 | 3 |
[155] † Saperion Last Modified in 12/05/13 | 262 | 162 | 162 | 0 | 165 | 0 | 0 | 3 |
[156] † Kangacaris Last Modified in 12/05/13 | 274 | 151 | 151 | 0 | 164 | 0 | 0 | 3 |
[157] † Emucaris Last Modified in 12/05/13 | 270 | 155 | 155 | 0 | 164 | 0 | 0 | 3 |
[158] † Buenaspis Last Modified in 12/05/13 | 362 | 106 | 106 | 0 | 121 | 0 | 0 | 3 |
[159] Tarricola Last Modified in 12/05/13 | 362 | 106 | 106 | 0 | 121 | 0 | 0 | 3 |
[160] † Soomaspis Last Modified in 12/05/13 | 362 | 106 | 106 | 0 | 121 | 0 | 0 | 3 |
[161] † Liwia Last Modified in 12/05/13 | 292 | 140 | 140 | 0 | 157 | 0 | 0 | 3 |
[162] † Eoredlichia Last Modified in 12/05/13 | 250 | 178 | 178 | 0 | 161 | 0 | 0 | 3 |
[163] † Olenoides Last Modified in 12/05/13 | 248 | 180 | 180 | 0 | 161 | 0 | 0 | 3 |
[164] † Burgessia Last Modified in 12/05/13 | 241 | 158 | 157 | 0 | 191 | 0 | 0 | 3 |
[165] † Vachonisia Last Modified in 12/05/13 | 254 | 146 | 146 | 0 | 189 | 0 | 0 | 3 |
[166] † Xylokorys Last Modified in 12/05/13 | 254 | 146 | 146 | 0 | 189 | 0 | 0 | 3 |
[167] † Marrella Last Modified in 12/05/13 | 243 | 152 | 152 | 0 | 194 | 0 | 0 | 3 |
[168] † Mimetaster Last Modified in 12/05/13 | 246 | 151 | 151 | 0 | 192 | 0 | 0 | 3 |
[169] † Furca Last Modified in 12/05/13 | 432 | 37 | 37 | 0 | 120 | 0 | 0 | 3 |
[170] † Agnostus Last Modified in 12/05/13 | 240 | 166 | 166 | 0 | 183 | 0 | 0 | 3 |
[171] † Martinssonia Last Modified in 12/05/13 | 237 | 165 | 165 | 0 | 187 | 0 | 0 | 3 |
[172] † Skara Last Modified in 12/05/13 | 239 | 163 | 163 | 0 | 187 | 0 | 0 | 3 |
[173] † Yicaris Last Modified in 12/05/13 | 264 | 170 | 170 | 0 | 155 | 0 | 0 | 3 |
Project views
type | number of views | Individual items viewed (where applicable) |
Total project views | 47835 | |
Project overview | 4593 | |
Matrix views | 2926 | Matrix landing page (2571 views); Cambrian bivalved arthropod (355 views); |
Specimen list | 3284 | |
Views for media list | 1936 | |
Taxon list | 27348 | |
Media views | 6837 | Media search (5853 views); M307688 (984 views); |
Bibliography | 909 | |
Documents list | 2 |
Project downloads
type | number of downloads | Individual items downloaded (where applicable) |
Total downloads from project | 546 | |
Matrix downloads | 13 | Cambrian bivalved arthropod (13 downloads); |
Project downloads | 532 | |
Media downloads | 1 | M307688 (1 download); |