Skip to content

Search the field index

One search across the TroveRadar directory.

Search 14,389 pages of species notes, location briefs, state laws, seasonal timing, gear, and questions from a single index.

Species + finds

3,115

mushroom, fossil, and metal-detecting entries

Trails + places

1,496

trails, parks, forests, and scouting areas

Search results

48 results for "trilobite april"

Results are ranked against titles, keywords, and descriptive field copy across species guides, trails, location pages, Q&A, and trip planning content.

April route layer

If this search is timing-led, start with April.

Use the month board to move into the best category lane or a metro hub before you open individual result pages.

Open April guides

Where the results cluster

Use the stronger directory lane instead of opening pages one by one.

  1. Monthly GuidesDirectory

    Monthly Field Guides

    Plan by month when weather and seasonal timing matter more than taxonomy.

    2,088 pages
  2. Monthly GuidesMonthly

    April Arizona Fossils

    In April in Arizona, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around petrified wood, triassic logs, and badlands bone fragments. This guide is written for Desert Southwest terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Arizona.

    April • Arizona
  3. Monthly GuidesMonthly

    April Arkansas Fossils

    In April in Arkansas, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around mazon-like plant beds, marine invertebrates, and river gravels. This guide is written for Ozarks terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Arkansas.

    April • Arkansas
  4. Monthly GuidesMonthly

    April Colorado Fossils

    In April in Colorado, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around morrison dinosaur beds and eocene lake fossils. This guide is written for Central Rockies terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Colorado.

    April • Colorado
  5. Monthly GuidesMonthly

    April Idaho Fossils

    In April in Idaho, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around miocene lake beds and river gravels. This guide is written for Northern Rockies terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Idaho.

    April • Idaho
  6. Monthly GuidesMonthly

    April Illinois Fossils

    In April in Illinois, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around mazon creek concretions and silurian reefs. This guide is written for Upper Midwest terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Illinois.

    April • Illinois
  7. Monthly GuidesMonthly

    April Indiana Fossils

    In April in Indiana, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around silurian fossils and falls of the ohio exposures. This guide is written for Upper Midwest terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Indiana.

    April • Indiana
  8. Monthly GuidesMonthly

    April Iowa Fossils

    In April in Iowa, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around devonian coral, geodes, and glacial gravels. This guide is written for Upper Midwest terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Iowa.

    April • Iowa
  9. Monthly GuidesMonthly

    April Kentucky Fossils

    In April in Kentucky, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around big bone lick, ordovician fossils, and cave-country gravels. This guide is written for Appalachians terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Kentucky.

    April • Kentucky
  10. Monthly GuidesMonthly

    April Michigan Fossils

    In April in Michigan, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around petoskey stones, devonian coral, and glacial gravels. This guide is written for Great Lakes terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Michigan.

    April • Michigan
  11. Monthly GuidesMonthly

    April Minnesota Fossils

    In April in Minnesota, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around ordovician fossils, agates, and glacial gravels. This guide is written for Great Lakes terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Minnesota.

    April • Minnesota
  12. Monthly GuidesMonthly

    April Missouri Fossils

    In April in Missouri, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around mississippian marine fossils, geodes, and stream gravels. This guide is written for Ozarks terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Missouri.

    April • Missouri
  13. Monthly GuidesMonthly

    April Montana Fossils

    In April in Montana, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around hell creek dinosaurs, marine ammonites, and mammal gravels. This guide is written for Northern Rockies terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Montana.

    April • Montana
  14. Monthly GuidesMonthly

    April Nevada Fossils

    In April in Nevada, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around ichthyosaurs, badlands vertebrates, and petrified wood. This guide is written for Desert Southwest terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Nevada.

    April • Nevada
  15. Monthly GuidesMonthly

    April New Jersey Fossils

    In April in New Jersey, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around cretaceous marl pits, shark teeth, and coastal shell beds. This guide is written for Northeast terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in New Jersey.

    April • New Jersey
  16. Monthly GuidesMonthly

    April New Mexico Fossils

    In April in New Mexico, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around petrified wood, eocene mammals, and badlands bone. This guide is written for Southwest Highlands terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in New Mexico.

    April • New Mexico
  17. Monthly GuidesMonthly

    April New York Fossils

    In April in New York, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around devonian fossils, glacial gravels, and shell banks. This guide is written for Northeast terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in New York.

    April • New York
  18. Monthly GuidesMonthly

    April North Carolina Fossils

    In April in North Carolina, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around triassic basins, shark teeth, and mountain stream fossils. This guide is written for Appalachians terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in North Carolina.

    April • North Carolina
  19. Monthly GuidesMonthly

    April Ohio Fossils

    In April in Ohio, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around devonian marine fossils, flint ridge, and glacial gravels. This guide is written for Interior Northeast terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Ohio.

    April • Ohio
  20. Monthly GuidesMonthly

    April Oklahoma Fossils

    In April in Oklahoma, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around cretaceous marine fossils, red beds, and stream gravels. This guide is written for Southern Plains terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Oklahoma.

    April • Oklahoma
  21. Monthly GuidesMonthly

    April Pennsylvania Fossils

    In April in Pennsylvania, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around devonian fossils, coal-age plants, and river gravels. This guide is written for Northeast terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Pennsylvania.

    April • Pennsylvania
  22. Monthly GuidesMonthly

    April Tennessee Fossils

    In April in Tennessee, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around ordovician fossils, cretaceous gravels, and creek beds. This guide is written for Appalachians terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Tennessee.

    April • Tennessee
  23. Monthly GuidesMonthly

    April Utah Fossils

    In April in Utah, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around morrison outcrops, trilobite shales, and petrified wood. This guide is written for Central Rockies terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Utah.

    April • Utah
  24. Monthly GuidesMonthly

    April Virginia Fossils

    In April in Virginia, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around calvert-equivalent shell beds, piedmont gravels, and mountain limestones. This guide is written for Mid-Atlantic Coast terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Virginia.

    April • Virginia
  25. Monthly GuidesMonthly

    April West Virginia Fossils

    In April in West Virginia, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around marine invertebrates, plant fossils, and stream gravels. This guide is written for Appalachians terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in West Virginia.

    April • West Virginia
  26. Monthly GuidesMonthly

    April Wisconsin Fossils

    In April in Wisconsin, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around trilobites, coral, and glacial gravels. This guide is written for Great Lakes terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Wisconsin.

    April • Wisconsin
  27. Monthly GuidesMonthly

    April Wyoming Fossils

    In April in Wyoming, fossil hunting conditions usually revolve around runoff, creek cuts, and newly exposed rock around morrison dinosaurs, marine ammonites, and mammal badlands. This guide is written for Northern Rockies terrain rather than generic nationwide timing, so it reflects the weather windows and access patterns that matter on the ground in Wyoming.

    April • Wyoming
  28. Near MeCity Hub

    Buffalo, New York Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    48 local pages
  29. Near MeCity Hub

    Charlotte, North Carolina Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    54 local pages
  30. Near MeCity Hub

    Chicago, Illinois Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    54 local pages
  31. Near MeCity Hub

    Cincinnati, Ohio Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    48 local pages
  32. Near MeCity Hub

    Cleveland, Ohio Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    48 local pages
  33. Near MeCity Hub

    Columbus, Ohio Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    54 local pages
  34. Near MeCity Hub

    Greensboro, North Carolina Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    48 local pages
  35. Near MeCity Hub

    Indianapolis, Indiana Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    54 local pages
  36. Near MeCity Hub

    Kansas City, Missouri Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    51 local pages
  37. Near MeCity Hub

    Lexington, Kentucky Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    48 local pages
  38. Near MeCity Hub

    Louisville, Kentucky Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    51 local pages
  39. Near MeCity Hub

    Memphis, Tennessee Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    51 local pages
  40. Near MeCity Hub

    Milwaukee, Wisconsin Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    51 local pages
  41. Near MeCity Hub

    Minneapolis, Minnesota Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    48 local pages
  42. Near MeCity Hub

    Nashville, Tennessee Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    51 local pages
  43. Near MeCity Hub

    New York, New York Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    54 local pages
  44. Near MeCity Hub

    Newark, New Jersey Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    48 local pages
  45. Near MeCity Hub

    Oklahoma City, Oklahoma Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    51 local pages
  46. Near MeCity Hub

    Philadelphia, Pennsylvania Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    54 local pages
  47. Near MeCity Hub

    Pittsburgh, Pennsylvania Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    48 local pages
  48. Near MeCity Hub

    Raleigh, North Carolina Field Guide Hub

    Metro-level entry point with nearby locations, seasonal windows, and state-law context.

    51 local pages
Search the TroveRadar field index | TroveRadar