Published September 14, 2023
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TABLE 7 in Atlas of the Echiniscidae (Heterotardigrada) of the World-part I: West Palaearctic Echiniscus species
Authors/Creators
- 1. Department of Invertebrate Evolution, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30 - 387 Kraków, Poland. & Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5 - 7, DK- 1350; Universitetsparken 15, DK- 2100, Copenhagen, Denmark.
- 2. Department of Invertebrate Evolution, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30 - 387 Kraków, Poland. & Senckenberg Research Institute and Natural History Museum Frankfurt, Senckenberganlage 25, 60325 Frankfurt am Main, Germany. katarzyna. voncina @ senckenberg. de https: // orcid. org / 0000 - 0002 - 3210 - 0407 Correspondence: piotr. lukas. gasiorek @ gmail. com https: // orcid. org / 0000 - 0002 - 2814 - 8117 & Department of Invertebrate Evolution, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30 - 387 Kraków, Poland.
Description
TABLE 7. Measurements [in µm] of selected morphological structures of sexually immature life stages of Echiniscus lapponicus mounted in Hoyer’s medium. Abbreviations: sp —the proportion between the length of a given structure and the length of the scapular plate.
| CHARACTER | Juvenile 1 | Juvenile 2 | Larva | |||
|---|---|---|---|---|---|---|
| µm | sp | µm | sp | µm | sp | |
| Body length | 157 | 485 | 136 | 466 | 121 | 535 |
| Scapular plate length | 32.4 | – | 29.2 | – | 22.6 | – |
| Head appendage lengths | ||||||
| Cirrus internus | 7.4 | 22.8 | 6.0 | 26.5 | ||
| Cephalic papilla | 5.5 | 17.0 | 4.6 | 15.8 | 4.3 | 19.0 |
| Cirrus externus | 11.2 | 34.6 | 10.2 | 34.9 | 10.0 | 44.2 |
| Clava | 5.0 | 15.4 | 4.3 | 14.7 | 3.6 | 15.9 |
| Cirrus A | 37.9 | 117.0 | 32.5 | 111.3 | 21.7 | 96.0 |
| Cirrus A /Body length ratio | 24% | – | 24% | – | 18% | – |
| Body appendage lengths | ||||||
| Cirrus B | 23.0 | 71.0 | ? | ? | lacking | |
| Cirrus C | 28.0 | 86.4 | 21.0 | 71.9 | lacking | |
| Cirrus Ccd | 16.0 | 49.4 | ? | ? | 9.0 | 39.8 |
| Cirrus Cd | 23.0 | 71.0 | 19.0 | 65.1 | 10.0 | 44.2 |
| Cirrus D | 25.0 | 77.2 | 19.0 | 65.1 | lacking | |
| Cirrus Dcd | 19.0 | 58.6 | 14.0 | 47.9 | lacking | |
| Spine Dd | 4.0 | 12.3 | 4.0 | 13.7 | 1.0 | 4.4 |
| Cirrus E | 30.0 | 92.6 | 25.0 | 85.6 | 14.0 | 61.9 |
| Spine on leg I length | 2.0 | 6.2 | 1.8 | 6.2 | 1.9 | 8.4 |
| Papilla on leg IV length | 2.8 | 8.6 | 2.9 | 9.9 | 2.8 | 12.4 |
| Number of teeth on the collar | 5.0 | – | 6.0 | – | 5.0 | – |
| Claw I heights | ||||||
| Branch | 9.1 | 28.1 | 8.1 | 27.7 | 6.9 | 30.5 |
| Spur | 2.0 | 6.2 | 1.7 | 5.8 | 1.9 | 8.4 |
| Spur/branch height ratio | 22% | – | 21% | – | 28% | – |
| Claw II heights | ||||||
| Branch | 8.6 | 26.5 | 7.6 | 26.0 | 6.5 | 28.8 |
| Spur | 2.2 | 6.8 | 1.7 | 5.8 | 1.9 | 8.4 |
| Spur/branch height ratio | 26% | – | 22% | – | 29% | – |
| Claw III heights | ||||||
| Branch | 9.1 | 28.1 | 7.4 | 25.3 | 6.4 | 28.3 |
| Spur | 2.2 | 6.8 | ? | ? | 1.6 | 7.1 |
| Spur/branch height ratio | 24% | – | ? | – | 25% | – |
| Claw IV heights | ||||||
| Branch | 10.7 | 33.0 | 8.3 | 28.4 | 7.5 | 33.2 |
| Spur Spur/branch height ratio | ?? | ? – | 2.1 25% | 7.2 – | ?? | ? – |
Notes
Published as part of Gąsiorek, Piotr & Vončina, Katarzyna, 2023, Atlas of the Echiniscidae (Heterotardigrada) of the World-part I: West Palaearctic Echiniscus species, pp. 30 in Zootaxa 5344 (1) on page 30, DOI: 10.11646/zootaxa.5344.1.1, http://zenodo.org/record/8346050
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