Pachyostosis & Osteo-sclerosis - some examples
(Kennedy 1991, Aiello 1990, Thewissen 2007)

skull thickness mm
gorilla 3.6
chimp 5.3
australopith 5.6
H.sapiens 5.6
H.erectus 10.6
H.neand. 8.1

BOTDIKTE EN BOTSCHORSDIKTE – VOORBEELDEN
(Kennedy 1991, Aiello 1990, Thewissen 2007)
SCHEDELWANDDIKTE mm DIJBOT : DOORSNEE BOTSCHORS % gorilla 3.6 mensapen 42
chimp 5.3 baardzwijn 30
australopitheek 5.6 saiga-antilope 32
moderne mens 5.6 moderne mens Homo sapiens 58
Homo erectus 10.6 erectus-achtigen ER-1472, -1481 74
neandertaler 8.1 oerwalvisachtige Ichthyolestes 75

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Op woensdag 9 november 2022 om 15:03:14 UTC+1 schreef littor...@gmail.com:

Pachyostosis & Osteo-sclerosis - some examples
(Kennedy 1991, Aiello 1990, Thewissen 2007)

skull thickness mm
gorilla 3.6
chimp 5.3
australopith 5.6
H.sapiens 5.6
H.erectus 10.6
H.neand. 8.1

BOTDIKTE EN BOTSCHORSDIKTE – VOORBEELDEN
(Kennedy 1991, Aiello 1990, Thewissen 2007)
SCHEDELWANDDIKTE mm DIJBOT : DOORSNEE BOTSCHORS %
gorilla 3.6 mensapen 42
chimp 5.3 baardzwijn 30
australopitheek 5.6 saiga-antilope 32
moderne mens 5.6 moderne mens Homo sapiens 58
Homo erectus 10.6 erectus-achtigen ER-1472, -1481 74
neandertaler 8.1 oerwalvisachtige Ichthyolestes 75

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On Wednesday, November 9, 2022 at 9:13:42 AM UTC-5, littor...@gmail.com wrote:

Please neglect this, see next message.

Op woensdag 9 november 2022 om 15:03:14 UTC+1 schreef littor...@gmail.com:

Pachyostosis & Osteo-sclerosis - some examples
(Kennedy 1991, Aiello 1990, Thewissen 2007)

skull thickness mm
gorilla 3.6
chimp 5.3
australopith 5.6
H.sapiens 5.6
H.erectus 10.6
H.neand. 8.1

BOTDIKTE EN BOTSCHORSDIKTE – VOORBEELDEN
(Kennedy 1991, Aiello 1990, Thewissen 2007)
SCHEDELWANDDIKTE mm DIJBOT : DOORSNEE BOTSCHORS %
gorilla 3.6 mensapen 42
chimp 5.3 baardzwijn 30
australopitheek 5.6 saiga-antilope 32
moderne mens 5.6 moderne mens Homo sapiens 58
Homo erectus 10.6 erectus-achtigen ER-1472, -1481 74
neandertaler 8.1 oerwalvisachtige Ichthyolestes 75

Just ignore. CW Africans have densest bones.

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mm skull thickness
gorilla 3.6
chimp 5.3
australopith 5.6
H.sapiens 5.6
H.erectus 10.6
H.neand. 8.1

% cortical bone
apes 42
swine 30
saiga 32
H.sapiens 58
ER-1472,-1481 74
Ichthyolestes 75

(Kennedy 1991, Aiello 1990, Thewissen 2007)

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On Thu, 10 Nov 2022 04:21:40 -0800 (PST), "littor...@gmail.com" <littoral.homo@gmail.com> wrote:

% cortical bone
apes 42
swine 30
saiga 32
H.sapiens 58
ER-1472,-1481 74
Ichthyolestes 75

(Kennedy 1991, Aiello 1990, Thewissen 2007)

Swartkrans femora % cortical area:
SK 82 84.9
SK 97 77.1

Australopithecus robustus was more aquatic than Homo?

See: <https://sci-hub.se/10.1002/(SICI)1096-8644(199908)109:4%3C509::AID-AJPA7%3E3.0.CO;2-X>

mean and range % cortical area in Homo femora:

Recent Homo sapiens 71.3 (range 47 - 88)
Early modern H. sapiens 78.4 (range 73 - 85)
Archaic H. sapiens 80.4 (range 73 - 90)
Homo erectus 83.7 (range 71 - 91)

Mean of H. erectus significantly different from recent H. sapiens, but
almost complete overlap of range. In other words, some recent H.
sapiens individuals just as robust as H. erectus, but not aquatic.

See table 1 in:
https://sci-hub.se/10.1002/ajpa.1330910103

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