Is this echinoid species genus Scutella?

More Hesameddin Hosseini Araghi's questions See All

Systematic review meta-analysis paper?

Hi everybody, We are trying to write a systematic review meta-analysis paper. But I could find 19 references. I think 19 references are not enough to do a meta-analysis section and it is better to...

10 July 2024 5,490 5 View

What is bibliometric article?

Greetings and Regards I have a question about bibliometric articles about public health or nursing. If any of the researchers have experience or knowledge in this matter, please tell me. Thank You

15 June 2024 2,795 1 View

I am Extracting Streptomyces DNA with CTAB method. I would like to know When should I add RNAse in the CTAB protocol for Streptomyces DNA extraction?

I did CTAB for DNA extraction and I got good DNA IN BOTH side (Quantity and Quality) but I had RNA in my gel. I wanted to add RNAse after that and when I add it my DNA were degraded. Could you...

18 April 2024 3,595 0 View

How can I adjust for confounding variables in meta analysis?

Hi every one I am performing a meta-analysis of a variable's mean (change) (e.g. Blood pressure) for different subgroups. I want to adjust for 2 other quantitative variables (e.g. Age and Weight)....

13 January 2024 2,823 3 View

Call for finding an international colleague?

Dear Researchers, We are seeking participants to collaborate on writing Review articles .These articles are related to public health and Nursing . Please contact me if you have a "Scopus account"...

24 December 2023 6,538 0 View

What is this Permian fauna?

What is this Permian fauna? Is it Dasycladale algae? This speciemen is seen together with plenty of fusulinids.

10 December 2023 6,299 3 View

Are these Bryozoa?

Are the attached images Bryozoa? Some images look like to have Bryozoan Zooarium, some like to be Trepostomatid Bryozoa, They Probably belong to Permian in one of the images an axial section of...

04 December 2023 9,378 6 View

What are the main evolutionary changes between Brachiopods of Mesozoic and Paleozoic?

Can anyone introduce me material from literature, which discusses main evolutionary changes in bachiopods from Paleozoic to Mesozoic. With many thanks

30 November 2023 9,351 0 View

Why stromatolite have dark and light laminations?

I searched about stromatolite formation and I realized how microbial activity plays a role in formation of algal mats which function as sediment trap which in turn after cementation forms layers...

27 November 2023 8,563 1 View

Which is the best dataset for the Aridity Index (AI)? World clim or Chelsa?

I try to use AI as a climate factor in my vegetation model, and it's important to me, which one is the most accurate?

16 November 2023 4,638 4 View

Could you help me in identifying these microfossils present in this thin section?

These larger benthic foraminifera (probably) are very well preserved in the Miocene sediments. Please help to identify the species

15 February 2024 7,471 2 View

Is this Globigerina venezuelana?

From a Middle Miocene sample

12 December 2023 9,912 0 View

Can you identify this foraminifera?

Hello This is a foraminifera from a Middle Miocene sample, size is about 400μm. Can you identify this species?

12 December 2023 8,398 2 View

Is this pelecypod determinable?

It belongs to Miocene.

28 April 2023 7,499 2 View

Do you have any idea on this, it looks like a tooth?

Found in a Miocene marine marly sample, roughly 0.4 mm, 20 pics stacked. Locality: Tlemcen, Algeria.

17 April 2023 9,308 8 View

Kindly ID of Miocene collection in Egypt , 0.5 cm scale ?

kindly ID of Miocene collection in Egypt , 0.5 cm scale ?

28 January 2023 1,340 1 View

Is this species echinoid?

This species is witnessed in nummulitic bed of middle Eocene the second (with scale) and third image looks like to be a echinoid spine?

08 January 2023 7,804 7 View

Help for a Miocene reef alga and fauna association recognition?

Hi! I'm looking for a collaboration with an expert in Miocene reefs. The research is being held in south Costa Rica, where we recently found a very nice reef-protected open carbonate platform....

08 May 2022 7,458 2 View

Late Miocene (~8-5 Ma) climate rasters?

I'm looking for global rasters/geotiffs/netcDFs for monthly precipitation, temperature and NPP for the Late Miocene. Is there a database, similar to WorldClim or PaleoClim, for Miocene climates?

25 January 2022 3,798 7 View

Do you know any bibliographic references for fossil "Sabellaria" ?

Hi, I am more specifically looking for references with illustrations of fossil "Sabellaria" (I am well aware of the Miocene ones ... I would like to have access to reports with older occurrences,...

15 September 2021 1,844 3 View