Library of Ashurbanipal · MELEK

Library›Religion and practice›Human Origins and the Fossil Record

Human Origins and the Fossil Record

  1. Human Origins and the Fossil Record

**Human origins** — the study of how the genus *Homo* arose — rests on two intertwined lines of evidence: the **fossil record** (the physical remains, mostly skulls and, later, mummies) and the **DNA record** (the genetic traces of ancient populations that persist in living people). This article organizes that evidence following a 2017 post by **marsresident**, "Humanity, Part 2 (The Fossil Record)," which assembled a long, ordered catalogue of hominin finds together with the major ancient-DNA discoveries[1]. It is the paleoanthropology companion to Humanity — Deep Time and the Human Story (the author's "Part 1").

This is a **neutral, educational** reference. Dates and interpretations are given as the paleoanthropological record understands them; where the source states a figure that differs from the current scientific consensus, this article notes it rather than repeating it as settled fact (see § A note on the numbers).

Summary

The source makes two framing arguments. First, that **skulls dominate the fossil record** for a practical reason — cranial bone is built to withstand impact and survives longer than other tissue — and that **modern teeth** are the clearest marker of the shift into anatomically modern humans; later, **mummies** give archaeologists a preserved "snapshot in time." Second, and more pointedly, it argues against a simple linear ladder of ascent: humanity arose not by one lineage steadily "evolving to become us," but by **populations mixing, mutating, separating, and recombining** — new immune systems, teeth, brain capacity, and other traits appearing and spreading through interbreeding rather than a single straight line[1]. Modern genetics broadly supports the picture of archaic admixture (Neanderthal and Denisovan ancestry in living people), even where specific figures differ.

The DNA record

The genetic evidence, assembled roughly in order of antiquity in the source:

- **The "Pit of Bones" (Sima de los Huesos), Atapuerca Mountains, Spain.** Among the oldest ancient human DNA recovered; the mitochondrial DNA was found to relate to the **Denisovans**, an archaic group that later interbred with modern humans[2][3].

- **Mitochondrial Eve.** A theoretical most-recent common matrilineal ancestor, inferred from the human genome, used to map ancient migrations and to detect **population bottlenecks** — cataclysmic episodes show up as periods of low genetic diversity (few available mates, a small gene pool)[4].

- **Denisovans.** Identified from remains in Siberia; sequencing showed their DNA carried traces of modern-human-related ancestry, and living Melanesians (notably in Papua New Guinea) carry Denisovan DNA[5].

- **Tianyuan Cave (China), ~40,000 years ago,** and the **Clovis-child (Anzick) genome** — evidence linking ancient Asian populations to Native Americans.

- **Mal'ta (Siberia), ~24,000 years ago** — Siberian DNA showing a relationship to Native Americans, a key piece of the peopling-of-the-Americas story.

- **Native Brazilian remains with reported Polynesian-like DNA signatures** — cited in the source as evidence of long-distance population relationships across the Pacific.

The through-line: the DNA record shows humanity as a **web of interconnected, interbreeding populations**, consistent with the source's "mixing and recombination" thesis.

The fossil record: a chronological catalogue

The source's central contribution is a long ordered list of hominin finds — a hand-built "fossil record." Summarized in chronological bands (dates as given in the source, which follow the finds' commonly cited ages):

Earliest hominins (7 – 3 million years ago)

*Sahelanthropus* (~7 Mya); *Orrorin* (~6.1–5.7 Mya); **Ardi** (*Ardipithecus*, ~4.4 Mya); the **Laetoli footprints** (~3.6 Mya, the first evidence of habitual upright walking); *Australopithecus bahrelghazali* ("Abel", ~3.6 Mya); *Kenyanthropus* (~3.5 Mya); the **Little Foot** skeleton (~3.3 Mya); "Lucy's Baby" (Dikika, ~3.3 Mya); and **Lucy** (*Australopithecus afarensis*, ~3.2 Mya).

Australopithecines and early *Homo* (3 – 1.5 million years ago)

AL 200-1 (~3 Mya); STS-14, **Mrs. Ples**, the **Taung Child**, the **Black Skull**, and STS-71 (~2.7–2.5 Mya); **Nutcracker Man** (*Paranthropus boisei*, ~2 Mya); ***Homo habilis*** (~2.3–1.4 Mya) with specimens KNM-ER 1813 and KNM-ER 1470; the **Dmanisi** skull D2700 (~1.8 Mya, the important early-*Homo* find outside Africa); OH24 "Twiggy"; KNM-ER 3733, 3883, 992; Yuanmou Man; TM-1517; and **Turkana Boy** (*Homo erectus*, ~1.5 Mya).

*Homo erectus* to archaic humans (1 million – 300,000 years ago)

The **Daka** skull (~1 Mya); **Gran Dolina** (~780–800 kya); **Peking Man** (~750 kya); **Petralona** (~700 kya); **Bodo** and **Mauer 1** (~600 kya); Denisovan remains (~40–700 kya); **Tautavel Man** (~450 kya); **Miguelón**, **Altamura Man**, **Swanscombe Man**, and the Sima de los Huesos "Pit of Bones" material (~400–350 kya); the **Steinheim** skull (~350 kya); *Homo rhodesiensis* (**Kabwe / Broken Hill**, ~125–300 kya); and the **Dali** skull (~200 kya).

Anatomically modern humans, Neanderthals, and other lineages (300,000 – 10,000 years ago)

**Omo** remains (~195 kya, among the oldest anatomically modern *Homo sapiens*); **Herto / Idaltu** (~160 kya); the **Krapina** Neanderthals; **Klasies River**, **Tabun Cave**, and the **Skhul and Qafzeh** hominids (early modern humans in the Levant, ~80–125 kya); ***Homo floresiensis*** (the "Hobbit," ~13–94 kya); the **Shanidar** Neanderthals; La Ferrassie 1, La Chapelle-aux-Saints, and Neanderthal 1 (the type specimens of the classic Neanderthal image); **Mungo Man** (Australia, ~50 kya, among the oldest cremations); **Cro-Magnon 1** (~27.5 kya); the **Red Lady of Paviland**; and many others down through **Luzia Woman** and the terminal-Pleistocene finds.

Mummies and preserved remains (Holocene)

The source closes with the era of preserved bodies: **bog bodies** (from ~9,000 BC onward, e.g. Tollund Man), the **Spirit Cave** mummy, **Ötzi** the Iceman (~3,300 BC), the **Chinchorro** mummies (the oldest deliberate mummification), the **Tarim** mummies, and Egyptian royal mummies down to **Ramesses II** — the point being that mummification lets archaeologists read a specific individual and moment rather than only skeletal remains.

The species-mixing thesis

The interpretive heart of the post is its rejection of a single linear ladder. The author argues that modern humans arose through **admixture and recombination among separated populations** — Neanderthal and Denisovan ancestry surviving in living people is the clearest evidence — rather than one lineage marching steadily toward us[6]. This aligns with the mainstream modern view that the human family tree is a **braided stream**, not a ladder: multiple hominin populations coexisted, met, and exchanged genes.

A note on the numbers

The source states archaic-ancestry percentages that are worth flagging against current consensus. It gives figures such as "1–4%" (and, in its closing line, "4–6%") **Neanderthal** DNA in non-Africans, with **Sub-Saharan Africans** described as carrying none, and **Papua New Guineans** carrying additional **Denisovan** ancestry. The mainstream present-day estimate is roughly **~2% Neanderthal ancestry** in most non-Africans (with small amounts now detected in some African populations through back-migration), and several percent **Denisovan** ancestry concentrated in Melanesian and Aboriginal Australian populations[7][5]. The article preserves the author's claims as written while noting where they diverge from the current figures — the qualitative point (archaic admixture is real and unevenly distributed) is sound.

Coverage and relation to the corpus

This is Ashurbanipal paleoanthropology corpus material, and the direct companion to Humanity — Deep Time and the Human Story, which carries the same author's broader deep-time narrative (of which this fossil catalogue is "Part 2"). It sits in the ancient-mystery / human-story thread of the Library alongside the ethnobotanical and mystery-school material.

Sources

[1]

[2]

[3]

[4]

[5]

[6]

[7]

Coverage

This article faithfully captures the substance of the 2017 marsresident post "Humanity, Part 2 (The Fossil Record)": the practical reason skulls dominate the record and teeth mark modern humans; the DNA record (Sima de los Huesos / Denisovan link, Mitochondrial Eve and bottlenecks, the Denisovan discovery, Tianyuan/Clovis and Mal'ta links to Native Americans, the Brazil–Polynesia signal); the full ordered fossil catalogue from Sahelanthropus through the Holocene mummies; and the species-mixing / recombination thesis. Attribution to the author and the Steem source is preserved. The many image-host links in the original are not reproduced; taxonomic and dating claims are anchored to stable encyclopedic sources. The § A note on the numbers section flags where the source's archaic-ancestry percentages diverge from current consensus rather than repeating them as fact. This is history-of-science and paleoanthropology reference, neutral in tone.

References

  1. https://steemit.com/@marsresident/humanity-part-2-the-fossil-record
  2. https://en.wikipedia.org/wiki/Sima_de_los_Huesos
  3. https://en.wikipedia.org/wiki/Atapuerca_Mountains
  4. https://en.wikipedia.org/wiki/Mitochondrial_Eve
  5. https://en.wikipedia.org/wiki/Denisovan
  6. https://en.wikipedia.org/wiki/Interbreeding_between_archaic_and_modern_humans
  7. https://en.wikipedia.org/wiki/Neanderthal_genetics

Filed under  Religion and practicePolitical philosophy and movements