Zemes un vides zinātnes Earth and Environment Sciences - Latvijas ...
Zemes un vides zinātnes Earth and Environment Sciences - Latvijas ... Zemes un vides zinātnes Earth and Environment Sciences - Latvijas ...
76 ADVANCES IN PALAEOICHTHYOLOGY Woodward A. S. 1891. Catalogue of the Fossil Fishes in the British Museum (Natural History). Part II. – XLIV + 567 pp., The Trustees, London. Yu X. 1998. A new porolepiform-like fish, Psarolepis romeri, gen. et sp. nov. (Sarcopterygii, Osteichthyes) from the Lower Devonian of Yunnan, China. Journal of Vertebrate Paleontology, 18: 261-274. Zhu M., Yu X., Ahlberg P. E. 2001. A primitive sarcopterygian fish with an eyestalk. Nature, 410: 81-84. Zhu M., Yu X., Janvier P. 1999. A primitive fossil fish sheds light on the origin of bony fishes. Nature, 397: 607-610. Zhu M., Schultze H.-P. 1997. The oldest sarcopterygian fish. Lethaia, 30: 293-304. Appendix 1 New collection numbers for Lophosteus species and Actinopterygii gen. et sp. A (= L. uralensis n. sp.) in the collections of the Institute of Geology at Tallinn University of Technology, Tallinn, Estonia New number Old number Published data GIT 232-5 Pi 6175 Märss, 1986, pl. 35, fig. 7 GIT 232-7 Pi 6177 Märss, 1986, pl. 35, fig.8 GIT 232-8 Pi 6178 Märss, 1986, pl. 35, fig. 6 GIT 232-9 Pi 6179 Märss, 1986, pl. 35, fig. 5 GIT 232-15 Pi 6185 Märss, 1986, pl. 5, fig. 3 GIT 232-16 Pi 6186 Märss, 1986, pl. 35, fig. 1 a, b; text-fig. 24.2 a, b GIT 232-18 Pi 6188 Märss, 1986, pl. 35, fig. 4 GIT 232-23 Pi 6196 Märss, 1986, pl. 35, fig. 2 a, b GIT 232-35 Pi 6211 Märss, 1986, pl. 35, fig. 13 a, b GIT 232-36 Pi 6212 Märss, 1986, pl. 35, fig. 9 a, b GIT 232-37 Pi 6213 Märss, 1986, pl. 35, fig. 12 a, b GIT 232-38 Pi 6214 Märss, 1986, pl. 35, fig. 10; Märss 1989, fig. 176 G 5 GIT 232-40 Pi 6216 Märss, 1986, pl. 35, fig. 14 GIT 232-41 Pi 6217 Märss, 1986, pl. 35, fig. 11 GIT 232-42 Pi 6218 Märss, 1986, pl. 34, fig. 6 GIT 232-346 Pi 6950 Märss, 1986, pl. 36, fig. 6 GIT 232-365 Pi 6974 Märss, 1986, pl. 36, fig. 4 GIT 232-366 Pi 6975 Märss, 1986, pl. 36, fig. 5 GIT 232-367 Pi 6976 Märss, 1986, pl. 36, fig. 3 GIT 232-412 Pi 7041 Märss, 1986, pl. 34, fig. 8 GIT 232-413 Pi 7042 Märss, 1986, pl. 34, fig. 10 GIT 232-414 Pi 7043 Märss, 1986, pl. 34, fig. 7 GIT 232-415 Pi 7044 Märss, 1986, pl. 34, fig. 9 GIT 232-418 Pi 7047 Märss, 1986, pl. 34, fig. 11 GIT 297-61 Pi 7238 Märss, 1997, pl. 5, fig. 14 GIT 297-62 Pi 7236 Märss, 1997, pl. 5, fig. 15 GIT 297-63 Pi 7237 Märss, 1997, pl. 5, fig. 16
H.-P. Schultze, T. Marss. Revisiting Lophosteus 77 Appendix 2 List of characters for phylogenetic analysis: Scale characters: 1. Shape: (0) rhombic, (1) small a. square, (2) round 2. Dorsal margin of rhombic scale: (0) broad overlap, (1) broad based peg, (2) short based peg 3. Anterodorsal process: (0) absent, (1) present 4. Free field: (0) ridges, (1) tubercles, (2) covered surface 5. Ganoine: (0) absent, (1) present 6. Cosmine: (0) absent, (1) present 7. Kind of dentine: (0) orthodentine, (1) semidentine, (2) mesodentine Spine characters: 8. Symmetrical (dorsal, anal) fin spines: (0) absent, (1) present 9. Paired fin spine: (0) absent, (1) present, (2) spiny process Tooth characters: 10. Marginal teeth: (0) absent, (1) present 11. Tooth whorl: (0) absent, (1) present 12. Tooth plates: (0) broad tooth field, (1) narrow tooth rows, (2) single tooth row 13. Acrodin: (0) absent, (1) present 14. True enamel on teeth: (0) absent, (1) present Head characters: 15. Stellate tubercles: (0) absent, (1) present 16. Head with: (0) tesserae, (1) plates 17. Lateral line: (0) open, (1) in bone Primitīvās kaulzivs Lophosteus revīzija HANS-PETERS ŠULCE un TĪJU MJARSS Gross (1968) izdalījis sugu Lophosteus superbus kā vienīgo ģinti, no vienas atradnes Ohesāres klintīs Sāmsalā un īsa laika intervāla – vēlā silūra Pršidolas epohas beigām. Pašlaik ir zināmas sešas sugas, kuras izplatītas visā pasaulē no Ludlovas nodaļas apakšdaļas līdz Prāgas stāva apakšdaļai. Mēs aprakstām trīs jaunas sugas no tipiskās atradnes Sāmsalā, Arktiskās Kanādas un Urāliem. Ģints sistemātiskā piederība ir neskaidra. Ģinti Lophosteus ievieto gan daivspurzivju, gan starspurzivju grupā, vai arī kā bazālo taksonu abām kaulzivju klases grupām saiknē ar akantodēm. Līdzība ar bruņuzivīm ir virspusēja. Mēs identificējam ģinti Lophosteus kā taksonu, kas ir tuvs akantodēm.
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H.-P. Schultze, T. Marss. Revisiting Lophosteus<br />
77<br />
Appendix 2<br />
List of characters for phylogenetic analysis:<br />
Scale characters:<br />
1. Shape: (0) rhombic, (1) small a. square, (2) ro<strong>un</strong>d<br />
2. Dorsal margin of rhombic scale: (0) broad overlap, (1) broad based peg, (2)<br />
short based peg<br />
3. Anterodorsal process: (0) absent, (1) present<br />
4. Free field: (0) ridges, (1) tubercles, (2) covered surface<br />
5. Ganoine: (0) absent, (1) present<br />
6. Cosmine: (0) absent, (1) present<br />
7. Kind of dentine: (0) orthodentine, (1) semidentine, (2) mesodentine<br />
Spine characters:<br />
8. Symmetrical (dorsal, anal) fin spines: (0) absent, (1) present<br />
9. Paired fin spine: (0) absent, (1) present, (2) spiny process<br />
Tooth characters:<br />
10. Marginal teeth: (0) absent, (1) present<br />
11. Tooth whorl: (0) absent, (1) present<br />
12. Tooth plates: (0) broad tooth field, (1) narrow tooth rows, (2) single tooth row<br />
13. Acrodin: (0) absent, (1) present<br />
14. True enamel on teeth: (0) absent, (1) present<br />
Head characters:<br />
15. Stellate tubercles: (0) absent, (1) present<br />
16. Head with: (0) tesserae, (1) plates<br />
17. Lateral line: (0) open, (1) in bone<br />
Primitīvās kaulzivs Lophosteus revīzija<br />
HANS-PETERS ŠULCE <strong>un</strong> TĪJU MJARSS<br />
Gross (1968) izdalījis sugu Lophosteus superbus kā vienīgo ģinti, no vienas atradnes Ohesāres<br />
klintīs Sāmsalā <strong>un</strong> īsa laika intervāla – vēlā silūra Pršidolas epohas beigām. Pašlaik ir zināmas<br />
sešas sugas, kuras izplatītas visā pasaulē no Ludlovas nodaļas apakšdaļas līdz Prāgas stāva<br />
apakšdaļai. Mēs aprakstām trīs ja<strong>un</strong>as sugas no tipiskās atradnes Sāmsalā, Arktiskās Kanādas <strong>un</strong><br />
Urāliem. Ģints sistemātiskā piederība ir neskaidra. Ģinti Lophosteus ievieto gan daivspurzivju,<br />
gan starspurzivju grupā, vai arī kā bazālo taksonu abām kaulzivju klases grupām saiknē ar<br />
akantodēm. Līdzība ar bruņuzivīm ir virspusēja. Mēs identificējam ģinti Lophosteus kā taksonu,<br />
kas ir tuvs akantodēm.
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