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Showing results for tags 'barnacles'.
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Show us your Devonian Epizoans & Pathological Brachiopods!
Brach3 posted a topic in General Fossil Discussion
Dear all, if Devonian Epizoans (Epibionts) & Pathological Brachiopods (all the periods) are a fascinating group of fossils for you and you want to discuss anything about their paleoecology, please post your photos (specimens) in this thread.- 225 replies
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- attachment scars
- palaeoecology
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- attachment scars
- palaeoecology
- paleobiology
- shell repair
- predation damage
- repair scar
- cephalopod predation
- damage to brachiopods
- endoskeletobionts
- ecological interactions
- predation
- repair of shell breakage
- shell breakage
- botryllopora
- ropaionaria
- rugose coral
- coprolites
- organic threads
- holdfasts
- crinoidea
- sedentaria
- polychaeta
- phizhedxa
- petrocrania
- fistuliporoids
- trepostomata
- prestomata
- trepos
- cyclostomata
- cystoporata
- bryozoa
- ctenostomata
- rugosa
- paraspirifer
- spinocyrtias
- drill holes
- incertae sedis
- eliasopora
- ascodictyon
- pseudobryozoans
- hederella
- microconchida
- palaeoconchus
- stenopora
- aulopora
- cornulites
- durophagy
- microproblematica
- encrusters
- sclerobionts
- epifauna
- epibionts
- epizoans
- brachiopods
- barnacles
- muscle scars
- sphenothallus
- graptolites dendroid
- sponges
- podichnus
- microconchus
- bore traces of predation
- life orientation
- brachiopods life position
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These were found in Florida where they are taking out the water out of a lake on the bottom in the mud.
- 18 replies
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- prehistoric
- barnacles
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Not sure what this fossil or structure is. I found it in my neighborhood in North San Antonio where there’s a lot of limestone and fossils in limestone and petrified wood. I’m in a new neighborhood and thee builder has to dig through lots of stone to bury utilities and set foundations. this little object reminded me at first of a baby oyster shell due to it’s oyster shel shape. When i got it home though and looked at it under my magnifier, a huge question mark formed in my mind. The ‘rosette’ structures which appear to form it have me confounded. I wonder if it might be barnacles or coral and wonder if the shape is coincidental to looking like a shell. Can anyone lend some expertise? Any help is greatly appreciated!!!!
- 6 replies
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- shell
- concentric stucture
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a genus of barnacles Balanus concavus (Bronn, 1831) Arthropod Balanus concavus Yorktown Formation Miocene Duplin County, North Carolina 4.4 cm Long x 3.5 cm Wide From an old collection, some small pieces have come off and are in the baggie.
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Hello everyone, I found the below ichthyosaur vertebra on the beach at Wimereux two weeks ago. It had obviously been lying there for some time, as it was covered in green algae and barnacles. Based on the advise of various friends and the fact this rock seems to hard and massive to work through using just my Dremel, I'll be leaving the fossil in its matrix. However, I do want to clean it up from the algae and barnacles. As such, I used a 1:2 dilution of 14° household cleaning vinegar and a couple of sturdy brushes to remove most of the algae (dipping the brushes in the solution between brushings) and soaked it in soapy hot water. Areas with tougher algae were treated using the undiluted vinegar. Today removed the remaining barnacles using wooden toothpicks, following it with another soak in hot soapy water and another rinse. Although I think this got rid of all the barnacles, and the piece is no longer entirely coated in green algae, there are still various green spots on the rock (and a slight green sheen on the vertebra itself) that haven't come out with the treatment. (Also the "dead fish smell" still lingers) This makes me wonder about the following things: 1. Can the algae regrow, given enough light and moisture in the air? 2. Has anyone ever experienced algae spreading in their collection after failing to remove all traces of algae (I mean, fungi will spread between books and, as I understand, algae can transmit their spores by air)? 3. Is there a way I can get rid of the remaining algae on the rock? E.g. exposure to sun/UV light? 4. Is there a way something can be done about the slight lingering smell, or is this just something that needs to dissipate over time? Now I read some of you prefer using diluted bleach to remove algae growth from fossils (as mentioned in the post below), but I'm not sure I feel comfortable playing around with such aggressive agents yet...
- 6 replies
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- preservation
- marine
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Chemical analysis of fossil whale barnacles help define ancient migration routes https://www.independent.co.uk/news/science/whale-migration-barnacle-fossils-oceans-humpback-research-study-a8838871.html?amp
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Miocene barnacles on scallop shell from Calvert Cliffs, Maryland
Jeffrey P posted a gallery image in Member Collections
From the album: Tertiary
Baranus concavus [fossil barnacles on Chesapecten nefrens (scallop shell)] Miocene Calvert Formation Anonymous beach/Chesapeake Bay Calvert CO., Maryland