Rhynie Chert News
issues sorted according to subjects
deutsche Version

For the convenience of the reader less aquainted with the chert, its
fossils, and other things inside, the contributions have been sorted under the following headlines:
Higher Plants, Algae, Fungi, Nematophytes, Microbes etc., Crawling Creatures, Non-Biological Phenomena.
For further subdivision,
catchy labels, set apart by colour, have been put on some of the subjects. This is to indicate the diversity encountered in this Lower Devonian terrestrial ecosystem liable to occasional flooding.
Issues covering more than one subject are listed accordingly.

Higher Plants
     
arching creeper
Aglaophyton (former Rhynia major)
  2. A rare aspect of Aglaophyton
  
4. A pattern of questionable origin 
 
5. Twisted evidence                          
  6. Aglaophyton epidermis outlined  
  7. The work of spore eaters               
  8. Re-interpretation of detail on Aglaophyton gametophyte      
11. Size matters – Aglaophyton sporangia bigger than expected
14. A peculiar way of creeping – Aglaophyton reconsidered
17. Erroneous and other views on a Rhynie chert plant        
21. Twin patterns – a clue to void formation in Rhynie chert plants
32. Same symbiotic fungus in Aglaophyton and Rhynia ?
37. Hole repair in Rhynie chert plants
47. Dainty meshwork aspect of Aglaophyton epidermis
52. Aglaophyton branching
54. Voids in the tissue of early land plants
55. Funny fossil fungus formations
60. Selective decay resistance of soft tissue in early land plants (1)

62. Spirally splitting Aglaophyton sporangia
64. An uncommon variety of Rhynie chert 
65. Broken symmetry of Aglaophyton sporangia
66.
Selective decay resistance of soft tissue in early land plants (2)
75. Level fills in hollow Aglaophyton
85. A dark side of palaeobotany
88.  Early land plant seedlings
97.  Selective decay resistance of soft tissue in early land plants (3)
105.
Selective decay resistance of soft tissue in early land plants (4)

neat and small:  Rhynia gwynne-vaughani
18. Another type of Rhynia gametophyte ?
25. Seedling in the Rhynie chert – a less-common sight
31. Rhynia sections indicating steps of silicification in Rhynie chert
32. Same symbiotic fungus in Aglaophyton and Rhynia ?

tubers and odd bags: Horneophyton
15. Horneophyton sporangia as odd-shaped bags
27. Horneophyton tubers – a preferred site for level bands in chalcedony
45. Horneophyton spores differently arranged
79. Horneophyton rhizome
81. Horneophyton detail

advanced and complex: Asteroxylon
28. Fungus from Rhynie chert helps to refute Permian /Triassic mites hypothesis
53. Asteroxylon sporangia of questionable shape

94.  Asteroxylon aspects

103. Black shards in decayed tissue

confusing: Nothia
33. Nothia sporangium close-up
57. Nothia sporangia and their peculiar wall structure 

prickly: Trichopherophyton
16.  Zosterophylls with peculiar branching mode ?
22.  Cluster of Trichopherophyton sporangia
49.  Trichopherophyton aspects
76.  Symbiotic fungus in Trichopherophyton ?
95.  Trichopherophyton and Ventarura in one chert sample
97.  Selective decay resistance of soft tissue in early land plants (3)

enigmatic: Ventarura
3.  Ventarura taking shape
16. Zosterophylls with peculiar branching mode ?

58. 
Ventarura with less-common features
60. Selective decay resistance of soft tissue in early land plants (1)
61. A rare sight of Ventarura tissue
66. Selective decay resistance of soft tissue in early land plants (2)
82.  Ventarura - peculiar and confusing
83.  Black stains, coatings, and linings in Rhynie chert
91.  A rare sight of Ventarura tissue (2)
95.  Trichopherophyton and Ventarura in one chert sample
96.  Ventarura performing as a flower


elusive:
26. A faint glimpse of another Rhynie chert plant ?
50. A Devonian plant that would not fit in

Algae
     Blue-Green Algae see under Microbes

10.  Is there more than one charophyte alga in the Rhynie chert ?
48.  Devonian alga mimicking Coleochaete
69.  A Lower Devonian alga resembling the xanthophyte Botrydium
73.  A Devonian alga with peculiar features
74.  Window into the distant past - Palaeonitella
89.  A Devonian alga with peculiar features (Part 2)
90.  A Devonian alga with peculiar features (Part 3) 
93.  A Devonian alga with peculiar features (Part 4)
106. Strange fossil assemblage in a chert sample

Fungi


  4. A pattern of questionable origin     
19. Less-common fungus in the Rhynie chert
21. Twin patterns – a clue to void formation in Rhynie chert plants
28. Fungus from Rhynie chert helps to refute Permian /Triassic mites hypothesis
32. Same symbiotic fungus in Aglaophyton and Rhynia ?
54. Voids in the tissue of early land plants
55. Funny fossil fungus formations
63. A look at Devonian fung
64. An uncommon variety of Rhynie chert 
68. Enigmatic cm-size blobs in Rhynie chert
76. Symbiotic fungus in Trichopherophyton ?
77.  Silicification steps in chert deduced from fossil fungus hyphae
78. The enigma of perfectly straight fungus hyphae
84.  Miniature fossil sewage tank
85. A dark side of palaeobotany
103. Black shards in decayed tissue
104. Observations on fungus resting spores


Nematophytes

spherical
:  Pachytheca 
1.   Enigmatic little sphere                 
36. Uncommon aspect of Pachytheca
44. Pachytheca – a nematophyte propagule ?
 
flat
35. A flat nematophyte from Rhynie
46. 
Flat nematophyte   Details and reconstruction
99.  Another new nematophyte in the Rhynie chert

of uncertain shape
13.  Another weft of tubes – another nematophyte ?
29.  Another enigmatic Nematoplexus from the Rhynie chert
30.  On the origin of the cellular pattern on the surface of nematophytes
38.  Nematophytes vs. liverworts
39.  Nematoplexus with a wry twist ?
40.  Wilting nematophytes in Rhynie chert
41.  Prototaxites and Cosmochlaina: no liverwort connection
51.  Nematoplexus aspects
71.  Nematoplexus - more details, more questions (Part 1)
86.  More nematophytes in the Rhynie chert
92.  Glades in the nematophyte jungle
98.  Nematophytes in gel
102. Nematoplexus - more details, more questions (Part 2)
106. Strange fossil assemblage in a chert sample

Microbes and dubious Lower Plants 

23. Spoilt attack in the Lower Devonian
56. Croftalania venusta and other Devonian microbes
64.
An uncommon variety of Rhynie chert 
67. Funny fossil microbes
68. Enigmatic cm-size blobs in Rhynie chert

72. Croftalania images
80. Swamp gas bubbles traversing microbial layers in Rhynie chert
83. Black stains, coatings, and linings in Rhynie chert
84.  Miniature fossil sewage tank
87.  Microbial debris in Rhynie chert
103. Black shards in decayed tissue

Crawling creatures


early multicellular creature : Rotifer

23. Spoilt attack in the Lower Devonian   

shrimp relatives: Crustaceans
12. Ebullitiocaris – a slothful little creature that comes in flocks
24. What did Castracollis look like ?
34. Close look at Castracollis
43.  Castracollis hair tufts
101. Castracollis eye ?
106. Strange fossil assemblage in a chert sample

spider relatives
:  Trigonotarbids

 9. Trigonotarbids: known for a long while but still surprising
42.
Sociable trigonotarbids

elusive ones:
 7.  The work of spore eaters
37. Hole repair in Rhynie chert plants

Non-biological phenomena
   

Silicification  
31. Rhynia sections indicating steps of silicification in Rhynie chert

59. Sequence of silicification stages deduced from plant sections in chert
64. An uncommon variety of Rhynie chert
77. Silicification steps in chert deduced from fossil fungus hyphae

Level bands
20. Horizontal layers and plates in chert
27. Horneophyton tubers – a preferred site for level bands in chalcedony
59. Sequence of silicification stages deduced from plant sections in chert
75. Level fills in hollow Aglaophyton
77. Silicification steps in chert deduced from fossil fungus hyphae

Cracks  
  8. Re-interpretation of detail on Aglaophyton gametophyte      


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